As a result, temperature is equal to 373 divided by 273 and has a density of 0.65 gram per mel (1.37). As a result, 3 ml of liquid will evaporate into 0.65 ml, or 3 into 3.
What is a concrete instance of evaporation?When a liquid transforms into a gas, evaporation takes place. When rain puddles "disappear" on a sunny day or when wet clothing dries in the sun, it is simple to envision. The liquid water in these instances is evaporating it in to a gas known as water vapor rather than actually dissipating. On a global level, evaporation occurs.
What happens when evaporation happens?Condensation is the transition of matter from its gaseous state into its liquid state. It is the opposite of evaporation, which is the vaporization of the a liquid from its surface into a gaseous state.
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which electromagnetic radiation wavelength is efficiently observed using ground based telescopes?
Radio waves electromagnetic radiation wavelength is efficiently observed using ground based telescopes.
What exactly does electromagnetic radiation refer to?Electromagnetic radiation is made up of electromagnetic field waves that move over space while carrying radiant electromagnetic energy, according to physics. It is made up of radio waves, microwaves, infrared, light, X-ray and gamma rays. The electromagnetic spectrum includes all of these wavelengths.
Electromagnetic radiation can have low or high energy levels. It is made up of radio waves, microwaves, infrared light, visible light, ultraviolet light, x-rays, and gamma rays.
What causes electromagnetic radiation?When an electron or other atomic particle like it is driven by an electric field, it emits electromagnetic radiation.
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If a hydrogen atom were enlarged to be 2 mi wide, what size would the single proton in its nucleus be?
About the size of a city block
About the size of a stadium
About the size of a golf ball
When hydrogen atoms were enlarged to be 2 miles wide, the size of protons in the nucleus will be the size of a golf ball.
What are Atoms?
An atom is a unit of matter that specifically characterizes a chemical element. One or more negatively charged electrons surround the core nucleus of an atom, which is made up of all of them. One or more protons and neutrons, which are comparatively heavy particles, can be found in the positively charged nucleus.
What are Protons?
The nucleus of an atom is made up of neutrons and protons, two extremely small subatomic particles. More protons (and neutrons) are found in heavier atoms. The lightest element, hydrogen, has a single proton in its nucleus.
Calculations:
1 miles = 1.6 × [tex]10^{3}[/tex] m
Standard diameter size of an atom = 2.4 × [tex]10^{-10}[/tex]
Standard diameter size of a proton = 1.68 × [tex]10^{-15}[/tex]
Given,
Diameter of atom = 2 miles = 2 (1.6 × 10³ m) = 3.2 × 10³ m
Thus,
3.2 × 10³ m / 2.4 × [tex]10^{-10}[/tex]m = 1.34 × [tex]10^{13}[/tex]
Hence, the increased size of the proton = 1.68 × [tex]10^{-15}[/tex] × 1.34 × [tex]10^{13}[/tex] = 2.24 × [tex]10^{-2}[/tex]m. Nearly about the size of a golf ball.
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a hydraulic lift is being used to elevate a car. the right side of the lift has a larger area than the left. when the two pistons are at the same vertical height, which side of the lift has higher pressure?
A hydraulic lift is being used to elevate a car. The left side of the lift has higher pressure.
We know that, Pressure = Force/ Area
Pressure and area are inversely proportional to each other.
We need to find out the relation between pressures and areas of the two pistons.
So, P₁ A₁ = P₂ A₂
Let the right side of the lift that has larger area is A₂.
Hence, A₂ > A₁
As pressure and area are inversely proportional to each other, to balance the equation, P₂ should have lesser pressure as A₁ is less than A₂.
Thus, P₁ is greater than P₂ and the left side of the lift has greater pressure.
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8. A skydiver, with a weight on Earth of 1470 N, jumps on a foreign planet and after 5 seconds the net force acting an him is 600 N downward as he encounters an alien air resistance of 300 N. What is gravity on this alien planet?
The gravity on this alien planet is 3.8 m/s².
What is the gravity on this alien planet?
The gravity on this alien planet is calculated by applying Newton's second law of motion.
F = mg
where;
m is the mass of the skydiverg is acceleration due to gravity on the alien planetThe mass of the skydiver is calculated from his weight on Earth
m = ( 1470 N ) / (9.8 m/s²)
m = 150 kg
The weight of the skydiver on the alien planet is calculated as follows;
W = 1470 N - (600 N + 300 N)
W = 570 N
The acceleration due to gravity on the alien plane is calculated as follows;
g = 570 N / 150 kg
g = 3.8 m/s²
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The electron configuration for an atom is 1 s 2 2 s 2 2 p 2. How many electrons does the atom have?.
If the electronic configuration of an atom is 1s2 2s2 2p2 then it has 6 electrons.
This electronic configuration corresponds to carbon, whose atomic number is 6.
Importance of electronic configurationThe electronic configuration is a form of organization by layers that the electrons have.
Its importance is based on the ability to determine through it the total properties of chemical combination of atoms, which is equivalent to their location on the periodic table of elements.
Furthermore, the electronic configuration of an element defines its binding energy and thus its state at room temperature.
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A ball rolls without slipping down incline a, starting from rest. At the same time, a box starts from rest and slides down incline b, which is identical to incline a except that it is frictionless. Which arrives at the bottom first?.
The arrival of box and ball at the bottom will depend on the mass of the box as mass of box may be larger than mass of ball.
This is on the grounds that the impact that the frictional force have relies upon the mass, the point likewise have an extraordinary impact in the response, however it appears it's anything but a choice, merits seeing that the mass doesn't have impact in the ball moving given that the erosion is just mindful of the rolling.
The force which becomes possibly the most important factor at whatever point two articles come in touch and slide over one another is known as the frictional force. In easier words, the force which discourages movement while interacting with one more item is known as Rubbing or Frictional force. This force. extraordinarily fluctuates according to the surface of the surface which is in touch.
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at the moment a roller coaster reaches the bottom of its loop, in what direction is the centripetal acceleration pointed?
At the very top and very bottom of the loop, the majority of the acceleration is concentrated in the direction that is oriented toward the center of the circle.
The term "centripetal force" refers to a force that is exerted on a body that is traveling in a circular direction and is directed toward the center around which the body is moving.
The acceleration caused by centripetal force always points in the direction of the circle's center. Because the centripetal acceleration is directed upward at the base of the circle, riders get a sensation of being heavier than their actual weight at this point. Because it points down at the top of the circle, riders are given the impression that they weigh less than they really do.
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Large stars can explode as they finish burning their nuclear fuel, causing a supernova. the explosion blows away the outer layers of the star. according to newton’s third law, the forces that push the outer layers away have reaction forces that are inwardly directed on the core of the star. these forces compress the core and can cause the core to undergo a gravitational collapse. the gravitational forces keep pulling all the matter together tighter and tighter, crushing atoms out of existence. under these extreme conditions, a proton and an electron can be squeezed together to form a neutron. if the collapse is halted when the neutrons all come into contact with each other, the result is an object called a neutron star, an entire star consisting of solid nuclear matter. many neutron stars rotate about their axis with a period of ≈1s and, as they do so, send out a pulse of electromagnetic waves once a second. these stars were discovered in the 1960s and are called pulsars.What is the speed of a point on the equator of the star?
So our solar is honestly a median star, so it is now no longer mainly big or very small at all.
So common stars do not have sufficient mass to blow up on the quit in their lives neutron stars, the pressure of gravity has beaten the resistance of electrons to compression and has compelled them to mix with protons to shape neutrons. Even the nuclei of atoms are obliterated on this process, and subsequently the collective resistance of neutrons to compression halts the collapse.
Large stars can explode as they end burning their nuclear fuel, inflicting a supernova. The explosion blows away the outer layers of the star. According to Newton's 1/3 law, the forces that push the outer layers away have response forces which can be inwardly directed at the center of the star.
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A 8.0-m long wire with a mass of 10 g is under tension. a transverse wave for which the frequency is 570 hz, the wavelength is 0.10 m, and the amplitude is 3.7 mm is propagating on the wire. the maximum transverse acceleration of a point on a wire is closest to:_______.
The maximum transverse acceleration of a point on a wire is closest to 4.7*10³ m/s².
Calculation :
The maximum transverse acceleration ,
A = 3.7mm = 3.7*10⁻³ m
a=Aw²
w = 2πf
=(2π)(570)
w = 3.581*10³
w² = 12.826*10⁶
a = (3.7*10⁻³ m)(12.826*10⁶)
a = 4.7*10³ m/s².
In mechanics, acceleration is the price of exchange of an item's pace with appreciate to time. Acceleration is a vector quantity (as lengthy because it has magnitude and direction. The direction of an item's acceleration is given by means of the path of the net pressure performing on that object. As described in Newton's second law. the significance of an object's acceleration is the combined effect of two assets.
Acceleration inside the car's contemporary route of journey is known as linear (or tangential, within the case of circular movement) acceleration, and the passenger perceives that response as pushing returned into the seat. Acceleration acting while changing direction is called radial (or centripetal in the case of circular motion) acceleration, and passengers revel in the response as centrifugal pressure.
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Five grams of nitrogen gas at an initial pressure of 3.0 atm and at 20? C undergo an isobaric expansion until the volume has tripled.a.What is the gas volume after the expansion?b.What is the gas temperature after the expansion? The gas pressure is then decreased at constant volume until the original temperature is reached.c.What is the gas pressure after the decrease? Finally, the gas is isothermally compressed until it returns to its initial volume.d.What is the final gas pressure?
The final volume after the isobaric expansion is V2=4.29 L.
Calculation :
Let V1 be the initial volume of the gas. Considering nitrogen as an ideal gas, use the ideal gas equation to find the initial volume as,
P1V1=nRT1...............(1)
Consider the value of universal gas constant as,
R=0.0821L⋅atm⋅mol⁻¹⋅K⁻¹.
Convert temperature to Kelvin,
T1=(20+273)K=293K
Consider the molar weight of nitrogen gas as, mm=28g/mole.
The number of moles in 5g of nitrogen gas is,
n=m/mm
Substitute the known values,
n=5g/(28g/mole)
=0.179mol
Substitute all the known and calculated values in equation (1),
V1=0.179mol×0.0821L⋅atm⋅mol−1⋅K−1×293K3atm/3 atm
=1.43L
B. The final temperature after the expansion is, T2=879K.
The temperature after the expansion is evaluated using the formula,
V1/T1=V2/T2
T2=V2T1/V1
Substitute the known values,
T2=4.29L×293K/1.43L
=879K
C . The gas pressure after the decrease is P2=1atm.
Using relation,
PV/T=constant
Since volume is kept constant,
P1/T2=P2/T3
P2=P1T3/T2
Substitute the known values,
P2=3atm×293K/879K
=1atm
D. The final gas pressure is P3=3atm
Given data:
Gas is isothermally compressed to regain the initial volume, that is,
V3=1.43L .
Using relation,
PV/T=constant
Since temperature is kept constant,
P2/V2=P3/V3
P3=P2V2/V3
Substitute the known values,
P2=1atm×4.29L/1.43L
=3atm
The final gas pressure is P3=3atm
Pressure (symbol: p or P) is the force normal to the surface of an object per unit area over which that force is distributed.
Various units are used to express pressure. Some of these are units of force divided by units of area. For example, the SI unit of pressure, Pascal (Pa), is 1 Newton per square meter (N/m2). Similarly, pound-force per square inch (psi) is the traditional unit of pressure in imperial and US systems. Pressure can also be expressed as standard atmospheric pressure. Atmospheric pressure (atm) is equal to this pressure and torr is defined as 1/760 of this. Manometric units such as centimeters of water, millimeters of mercury, and inches of mercury are used to express pressure as the height of a particular liquid column within a manometer.
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A stove burner applies 9000J of thermal energy to a system causing an increase of 6000J. What happened to the other 3000?
The other 3000J of energy was lost as heat to the surroundings.
What happened to the rest of the energy?We know from the first law of thermodynamics that energy can neither be created nor destroyed but it can be converted from one form to the other. Thus the we are told in the question that a stove burner applies 9000J of thermal energy to a system causing an increase of 6000J.
The other 3000 J of energy could not have disappeared into thin air because in that case there would be a violation of the first law of thermodynamics as energy is destroyed.
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In order to gather warmth, alligators can often be found lying on the grassy banks of lakes during the daylight hours to regulate their body temperature. How is heat transferred to the alligator?.
The warm water of the lake transfers heat to the alligator through conduction.
Ectothermic animals like alligators depend on outside heat sources to maintain body temperature. By taking a sunbath or relocating to places with warmer or colder air or water temperatures, alligators may regulate their body temperature. Ectothermic, or cold-blooded, alligators experience temperature changes in response to their surroundings. Alligators are forced to actively regulate their body temperature as a result, searching out locations that are both warm and cool enough for them. Alligators may lay in the sun with their jaws open to allow heat to escape while they enjoy the Florida sunshine as it becomes too hot over 92°. Alligators will move very little during the day and become more active at night if the temperature is too high.
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Why is sleep the most important thing?
Sleep is very crucial in person daily life. Sleep helps in early recovery from an injury .Sleep helps person to perform daily actions with proper attention.
Not getting adequate sleep will provoke a diminishing being developed compound creation that impacts tissue and muscle fix. To this end it's essential to get good significant REM sleep for your body's recovery cycle. If you don't, then, at that point, you risk losing mass and cutoff from nonappearance of supportive synthetics like these ones which are conveyed during the non-REM stage when they're required most!
It's never previous chance to get a fair night sleep! For our body and muscles to foster you need the suitable proportion of sleeping. It is expressed that if one snoozes 7-9 hours out of each and every day.
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suppose a particle called a kaon is created by cosmic radiation striking the atmosphere. it moves by you at 0.980c and it lives 1.24 x 10-8 s when at rest relative to an observer. how long does it live as you observe it?
In relation to an observer, it takes 2.3727*10^-8 seconds at rest. to exist as you see it. Because cosmic radiation that strikes the atmosphere produces a particle known as a kaon.
Radiation from space is one natural source of radiation. High-energy charged particles, x-rays, and gamma rays are all components of cosmic radiation, which are created in space. The earth receives secondary radiation that is created when charged particles interact with the atmosphere. The stars, including our own sun, emit cosmic radiation. A particle is a small, localized item that can have many physical or chemical qualities, such as volume, density, or mass. The term particle—or corpuscule in older texts—is used in the physical sciences. The size or number of them varies widely.
T = t/(1-(v^2/c^2)
^1/2 = 1.375*10^-8/0.5795
T = 2.3727*10^-8sec
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planet x has a mass of m and a radius of r. planet y has a mass of 3m and a radius of 3r. identical satellites orbit both planets at a distance r above their surfaces, as shown above. the planets are separated by such a large distance that the gravitational forces between them are negligible. question how does the gravitational field gx at the surface of planet x compare with the gravitational field gy at the surface of planet y?
The gravitational field on planet y is one-third that on planet x.
What is a gravitational field?A gravitational field is athe rgion around a mass where the effect of its gravitational force is felt.
How to find how the gravitational field gx at the surface of planet x compare with the gravitational field gy at the surface of planet y?Since planet x has a mass of m and a radius of r. planet y has a mass of 3m and a radius of 3r. identical satellites orbit both planets at a distance r above their surfaces. To find how their gravitational fields compare, we find the magnitude of their gravitational acceleration g
The gravitational acceleration is given by g = GM/R² where
G = universal gravitational constant, M = mass of planet and R = radius of planetFor planet x, we have that
M = m and R = rSo, substituting the values of the variables into the equation, its gravitational acceleration is gx = GM/R²
gx = Gm/r²
For planet y, we have that
M = 3m and R = 3rSo, substituting the values of the variables into the equation, its gravitational acceleration is g = GM/R²
= G(3m)/(3r)²
= 3Gm/9r²
= Gm/3r²
Since gx = Gm/r², we have that
gy = Gm/3r²
= (Gm/r²)/3
= gx/3
So, the gravitational field on planet y is one-third that on planet x.
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in an l-r-c series circuit, the rms voltage across the resistor is 30.0 v, across the capacitor it is 90.0 v, and across the inductor it is 55.0 v. what is the rms voltage of the source?
The rms voltage of the source is 46.09 V in an i-r-c circuit.
Voltage across the resistor = v₁ = 30 V
Voltage across the capacitor = v₂ = 90 V
Voltage across the inductor = v₃ = 55 V
The rms voltage across the source in an i-r-c circuit is = v =
= v = √ (v₁² + ( v₃ - v₂)² )
= v = √ (30² + ( 55 - 90)² )
= v = √ (900 + ( -35)² )
= v = √ (900 + 1225 )
= v = √2125
= v = 46.09 V
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how does the gravitational field gx at the surface of planet x compare with the gravitational field gy at the surface of planet y?
The gravitational field gx at the surface of planet x compare with the gravitational field gy at the surface of planet y as illustrated by gX=3gY.
What is a gravitational field?According to physics, a gravitational field is the influence a massive body has on the area around it, exerting a force on another massive body. In other words, a gravitational field measured in newtons per kilogram (N/kg) helps to explain gravitational field.
It should be noted that gravitational field is a model used to explain the influences that a massive body extends into the space around itself, producing a force on another massive body.
Planet X has a radius of RR and a mass of MM. Planet Y has a radius of 3R3R and a mass of 3M3M. As shown above, identical satellites orbit both planets at a distance RR above their surfaces. The planets are so far apart that the gravitational forces between them are insignificant. Here, the comparison is gX=3gY.
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Complete question
Planet X has a mass of MM and a radius of RR. Planet Y has a mass of 3M3M and a radius of 3R3R. Identical satellites orbit both planets at a distance RR above their surfaces, as shown above. The planets are separated by such a large distance that the gravitational forces between them are negligible.
How does the gravitational field gXgX at the surface of Planet X compare with the gravitational field gYgY at the surface of Planet Y?
From the point of view of conductive heat loss, which adaptations would be beneficial to animals living in extremely cold climates?Group of answer choicesThin skinLots of tissues, like muscle, with high thermal conductivFrom the point of view of conductive heat loss, which adaptations would be beneficial to animals living in extremely cold climates?Group of answer choicesThin skinLots of tissues, like muscle, with high thermal conductivityAs small a surface area as possible given the volume of the animal.Lots of tissues, like fat, with low thermal conductivityThick skinAs large a surface area as possible given the volume of the animal.
According to conductive heat loss views, the adaptations would be beneficial to animals is a)Thin skinlots of tissues, like muscle, with high thermal conductivity. So,correct option is a.
Conductive heat loss is the exchange of intensity through a film. For application in spaces, for example, nurseries, the exchange of concern is ordinarily warmth from inside the nursery that is lost through the skin of the nursery into the external climate. In thermodynamics, heat is characterized as the type of energy crossing the limit of a thermodynamic framework by excellence of a temperature distinction across the limit.
The absolute intensity loss of the article includes loss happening by radiation, convection, and conduction. Heat loss is estimated by the units called Watts. Heat loss equation is communicated by, q = (U × A) ×δt Where, q = all out heat misfortune through the structure in Btu/hr,
Hence, correct option is a.
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(Complete question) is:
From the point of view of conductive heat loss, which adaptations would be beneficial to animals living in extremely cold climates?Group of answer choices
a)Thin skinLots of tissues, like muscle, with high thermal conductivity
b)As small a surface area as possible given the volume of the animal.
c)Lots of tissues, like fat, with low thermal conductivityThick skin
d)As large a surface area as possible given the volume of the animal.
How does the wavelength of infrared compared with the wavelength of?
According to the electromagnetic spectrum, ultraviolet light has wavelengths from 10 nm to 400 nm and infrared light from 750 nm to 1 mm.
This means that infrared light has a longer wavelength than ultraviolet light.
We know the relation between wavelength and frequency as λ = c / f
where, λ is the wavelength
c is the speed of light
f is the frequency
The above equation tells us that frequency is inversely proportional to the wavelength. In other words, if the wavelength increases, frequency decreases.
As infrared light has a longer wavelength than ultraviolet light, infrared has a lower frequency than ultraviolet rays.
The question is incomplete. The complete question is how do the wavelength and frequency of infrared light compare to the wavelength and frequency of ultraviolet light?
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Based on what you know about how fossils are created, rank the following organisms based on the likelihood that they would be preserved in the fossil record.
1. Jellyfish
2. Plant Leaf
3. Coyote
4. Fish
5. Clam
The order is : Leaf, clam, coyote, fish, jellyfish
The study of fossils of plant life of the geologic past is called paleobotany. Paleobotany tells us the story of preserved vestiges of the plant life of the past. In simplified language paleobotany may be defined as a branch of botany which deals with the study of such plants which are living in past but extinct now.The study of dead remains of the organism or their imprints preserved in the geological rocks is called fossil.Fossils are used to study organisms present in the past. They are present in rocks. Now they are required to be dug out. Normally the plant dies and it degeneration starts immediately. This degeneration remains continue till the entire body is broken into chemical compounds. Thus no evidences of its former remain in existence. But sometimes under certain circumstances the degeneration of plant body stops. Thus parts of the body remain in visible form. These remains are known as fossils. These fossils are lifeless.To know more about fossils visit:
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What magnetic field strength will allow the electrons to pass through without being deflected? assume that the magnetic field is confined to the region between the electrodes.
The magnetic field strength required for electrons to pass through without being deflected is zero.
Assuming that the magnetic field is confined to the region between the electrodes, the magnetic field strength necessary to allow the electrons to pass through without being deflected depends on the velocity of the electrons. The higher the velocity of the electrons, the higher the strength of the magnetic field is required to deflect them. For example, if the electrons are moving at a velocity of 10,000 meters per second, then the magnetic field strength needed to deflect them would be approximately 0.05 Tesla.
The strength of the magnetic field is also affected by the distance between the electrodes. The greater the distance between the electrodes, the higher the field strength is necessary to deflect the electrons. For example, if the distance between the electrodes is increased from 1 cm to 10 cm, then the magnetic field strength needed to deflect the electrons would increase from 0.05 Tesla to 0.5 Tesla.
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during most of its lifetime, a star maintains an equilibrium size in which the inward force of gravity on each atom is balanced by an outward pressure force due to the heat of the nuclear reactions in the core. but after all the hydrogen fuel is consumed by nuclear fusion, the pressure force drops and the star undergoes a gravitational collapse until it becomes a neutron star. in a neutron star, the electrons and protons of the atoms are squeezed together by gravity until they fuse into neutrons. neutron stars spin very rapidly and emit intense pulses of radio and light waves, one pulse per rotation. these pulsing stars were discovered in the 1960s and are called pulsars.
Pulsing stars were discovered in the 1960s and are called pulsars:
From the conservation of angualr momentum :
Li = Lf
I_i w_i = i_f w_f
( 2/5 m R_i^2 ) w_i = ( 2/5 m R_f^2) wf
R_f = R_i sqrt w_i/ w_f
=2.82 * 10^6 m/s
Momentum is fabricated from the mass of a particle and its velocity. Momentum is a vector amount; i.e., it has both significance and course. Isaac Newton's second regulation of motion states that the time rate of exchange of momentum is equal to the force appearing on the particle.
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assume that the readings on the thermometers are normally distributed with a mean of and standard deviation of 1.00c. a thermometer is randomly selected and tested. draw a sketch and find the temperature reading corresponding to , the percentile. this is the temperature reading separating the bottom from the top
Bell-shaped diagram with a diminishing shade and an upper-half z-score. X is the raw score, is the population average, and is the average standard deviation. The formula for computing a z-score is z = (x-)/.
What is the value of 1's z-score?A result that deviates by one standards deviation from the average is indicated by a Z-score of 1.0. Z-scores can either be positively or negatively, with a positive sign indicating that the score is higher than the mean as well as a negative value indicating that the score is below the mean.
The z-equivalent score's is what?You may calculate the z-score by first dividing the raw score, or relevant data point, by the population's standard deviation, and then removing the population mean from that result: z = x - μ
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a seagull is sitting in the water surface and a simple water wave passes under it. what sort of motion does the gull experience? why?
The seagull will experience a small rise and fall motion as the wave passes underneath it. This is because the wave creates an upward force on the gull, pushing it upwards as it passes underneath, and then creating a downward force as it moves away, pushing the gull downward.
The seagull will experience a up and down motion as the wave passes under it. This is because the wave is pushing the seagull up and down as it moves underneath the bird.
Step 1: As the water wave passes under the seagull, the wave will create an increase in the water level beneath the seagull. This increase in water level will cause the seagull to rise slightly.
Step 2: As the wave continues to pass underneath the seagull, the wave will start to decrease in height. This decrease in water level will cause the seagull to drop slightly.
Step 3: As the wave passes completely underneath the seagull, the wave will have returned to its original height, and the seagull will no longer be affected by the wave.
Thus, the seagull will experience an up and down motion as the wave passes underneath it. This is because the wave causes the water level beneath the seagull to rise and fall, causing the seagull to move with the wave.
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in a certain experiment, a radio transmitter emits sinusoidal electromagnetic waves of frequency 105.0 mhz in opposite directions inside a narrow cavity with reflectors at both ends, causing a standing wave pattern to occur. part a how far apart are the nodal planes of the magnetic field? express your answer in meters. templatessymbols undoredoresetkeyboard shortcutshelp nothing m request answer part b if the standing wave pattern is determined to be in its eighth harmonic, how long is the cavity?
As a result, the hollow is 10.90 meters long and the distance between the nodal planes is 1.36 meters.
Explain electromagnetic waves.The oscillations between an electric field and a magnetic field produce waves known as electromagnetic waves, or EM waves.
By definition, we understand that the frequency equals,
f = c/λ
where,
λ = wavelength
c= Speed of light
λ = 2L / n
While the wavelength is equal to,
Where,
L = Length
n = Number of antinodes/nodes
PART A) We know that the first component's wavelength is 110 MHz, so
λ = c/ f
λ = 3*10^8 / 11*10^6
λ = 1.36m
Therefore the distance between the nodal planes is 1.36m
PART B) For this part we need to find the Length through the number of nodes (8) and the wavelength, that is,
λ` = 2l /n
L = 8*2.72/ 2
L = 10.90m
Therefore the length of the cavity is 10.90m.
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You add equal amounts of heat to two identical cylinders containing equal amounts of the same ideal gas. Cylinder A is allowed to expand, while cylinder B is not.
Part A How do the temperature changes of the two cylinders compare?
The two cylinders will experience the same temperature change.
Cylinder A will experience a greater temperature change.
Cylinder B will experience a greater temperature change.
The temperature changes of the two cylinders is compared as; Cylinder A will experience a greater temperature change.
"the second statement is the correct answer."
What is Charles law?
Charles' law states that the volume of a fixed mass of a gas is directly proportional to its absolute temperature provided that pressure of the gas is kept constant.
Mathematically, the formula of Charles law is given as;
V₁/T₁ = V₂/T₂
where;
V₁ is the initial volume of the gasV₂ is the final volume of the gasT₁ is the initial temperature of the gasT₂ is the final temperature of the gasfrom the formula given above, when the temperature of the gas increases, the volume of the gas increases as well. Also when the temperature of the gas decreases, the volume of the gas decreases as well.
Thus, from the Charles, when the cylinder A expands, the temperature changes increases and the cylinder B does not expand, there will be no temperature changes.
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When ultraviolet light with a wavelength of 400 nm falls on a certain metal surface, the maximum kinetic energy of the emitted photoelectrons is 1.10 ev. What is the maximum kinetic energy of the photoelectrons when light of wavelength 300.0 nm falls on the same surface?
1.47$ eV is the maximum kinetic energy of the photoelectrons when the light of wavelength 300.0 nm falls on the metal surface.
The maximum kinetic energy of the photoelectrons is directly proportional to the frequency of the incident light. The frequency of light with a wavelength of 400 nm is given by the formula
$f=c/\lambda$, where $c$ is the speed of light and $\lambda$ is the wavelength of the light.Plugging in the values, we get $f=3.00 \times 10^8 \text{ m/s}/400\text{ nm}=7.50 \times 10^{14}$ Hz.
The maximum kinetic energy of the photoelectrons when the light of this frequency falls on the metal surface is 1.10 eV.
The maximum kinetic energy when light with a frequency of
$f'=3.00 \times 10^8 \text{ m/s}/300.0\text{ nm}=10^{15}$ Hzfalls on the metal surface is therefore given by the formula
$E'=E\frac{f'}{f}=1.10\text{ eV}\frac{10^{15}\text{ Hz}}{7.50 \times 10^{14}\text{ Hz}}=1.47$ eV.Note: This assumes that the other conditions (such as the intensity of the light and the material of the metal surface) are the same in both cases. If these conditions change, the maximum kinetic energy of the photoelectrons will also change.
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a softball player leaves the batter's box, overruns first base by 3.0 meters, and then returns to first base. compared to the total distance traveled by the player, the magnitude of the player's total displacement from the batter's box is
His run covered a distance of 6 meters more than his displacement. Only the terminal points determine displacement. Displacement is unrelated to the path travelled.
Let the distance to the first base be x m.
Given: x m is the distance to the first base.
Thus, distance, after overrun, equals x + 3 m.
Distance after returning is therefore equal to
x + 3 + 3 = x + 6 m.
Displacement is now equal to
x + 3 - 3 (going back) = x m.
Because x + 6 > x, displacement equals distance.
the magnitude of the player's total displacement from the batter's box is
6 meters.
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five time constants are required to fully charge or discharge a capacitor. group of answer choices true false
A capacitor can only be fully charged or discharged after five time constants. It is accurate to say this.
Let Q0 represent the maximum charge.
where t is the length of time, and is the speed of time.
The sum of the equal resistance R and capacitance comparable C is used to indicate the time constant for the RC circuit.
(τ=RC)
Q=Q0(1−e−t/τ)
Q=Q0(1−e−t/RC)
In the exact similar RC circuit, a capacitor's discharge equation can be obtained as
Q= Q0e−t/τ
Q=Q0e−t/RC
Both expressions make it obvious that the exact same time constant is employed for the capacitor's charging and discharging processes.
Consequently, the assertion is accurate.
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a type of cuckoo clock keeps time by having a mass bouncing on a spring, usually something cute like a cherub in a chair. what spring constant is needed to produce a period of 0.500 s for a 0.0150-kg mass?
The spring constant needed to produce a period of 0.5 s for a 0.015 kg is 2.37 N/m.
The period of spring-mass system is proportional to the square root of mass and inversely proportional to the spring constant.
We know the equation for time period as, T = 2π √(m/k)
where, T is the time period in sec
m is the mass in kg
k is the spring constant
Let us make k as the subject from the above formula,
Spring constant k = (4π² * m)/ T²
⇒ 4* (3.14)² * 0.015/ (0.5)² = 2.37 N/m
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