When I view a distant rainbow, each single water drop contributes to the bow d)All of the above cases. So, correct option is d.
A rainbow is a meteorological peculiarity that is brought about by reflection, refraction and scattering of light in water beads bringing about a range of light showing up overhead. It appears as a kaleidoscopic round bend. Rainbows brought about by daylight generally show up in the part of sky straightforwardly inverse the Sun.
Rainbows can be round trips. In any case, the spectator ordinarily sees just a curve shaped by enlightened drops over the ground,[1] and fixated on a line from the Sun to the spectator's eye.
Inside the essential rainbow, the curve actually shows red on the external part and violet on the inward side. This rainbow is brought about by light being refracted while entering a bead of water, then pondered inside the rear of the drop and refracted again while leaving it.
Hence, correct option is d.
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(Complete question) is:
When you view a distant rainbow, each single water drop contributes to the bow
A. a single color
B. either low, middle, or high-frequency colors in most cases
C. all the colors of the rainbow
D.all of the above cases
how much tension must a cable withstand if it is used to accelerate a 1400-kg car vertically upward at 0.70 m/s2?
9,800 Newtons of pressure must be supported by the wire (N). T = m x a, where T is tension, m is the car's mass, and an is the velocity, can be utilized to compute that.
T=1400 kg x 0.70 m/s2.
T = 9,800 N
First, figure out how much force is needed to start the car moving.
Force = mass × accelerate
Force = 1400 kg × 0.70 m/s2
Force = 980 N
Step 2: Calculate the tension in the cable.
Tension = Force
Tension = 980 N
Consequently, to propel the vehicle vertically upwards towards a speed of 0.70 m/s2, the wire should endure a tension of 980 N.
A force which draws on something and extends it is known as tension in thermodynamics. This force can be applied across a thread, wire, cord, or even other media. Pulling apart of the medium's extremities causes it to decompress, which is the reverse of compression. To determine the tension in a media, divide the pressure acting on its endpoints by both the surface of its pass.
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james crosses a river that is flowing west at 5 m/s. if he paddles his boat at 2 m/s north, what is his velocity with respect to the shore?
He is moving toward the coast at a velocity of 13 m/s. James can cross a river flowing at 5 m/s in the west if he paddles his boat at 2 m/s north. There isn't any acceleration up.
The rate of change in an object's position relative to a frame of reference is called velocity, and it depends on time. An object's speed and direction of motion are specified by its velocity. A crucial idea in kinematics is velocity. The pace at which an object's position changes in relation to a frame of reference and time is referred to as its velocity.
v2 - u2 = 2as 5 - u2 = 144 - 144 + 25 = 169 U = 13 m/s
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an object of mass 0.50 kg is transported to the surface of planet x where the object's weight is measured to be 20 n. the radius of the planet is 4.0 x 106 m. what is the mass (kg) of planet x?
Mass of the planet = 9.59 * 10²⁴ Kg
Given that,
Mass of the object, m = 0.5 kg
Weight of the object, W = 20 N
Radius of the planet, r = 4*10⁶ m
The weight of an object is given by :
W = m*g
g is the acceleration due to gravity on the surface of Planet
g = W/m
= 20/0.5
=40 m/s²
The expression for g is given by :
g = GM/r²
M= (r²g) / G
M = 9.59 * 10²⁴ Kg
So, the mass of the planet X is 9.59 * 10²⁴ Kg. Hence, this is the required solution.
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34. Two students each carry a box up to the third floor of a building. The total mass of
each student and the box she is carrying is the same. Kyli makes the trip in 45 s
while Jaci takes 30 s. Which of the girls is doing the most work? Prove it by showing
how much work each of the girls do.
The work done by both students will be equal. Jaci has greater power than Kyli.
What is the work?Work can be explained as the energy needed when a force is exerted to move an object through a particular displacement. The work done depends upon the displacement and applied force of the object.
W= F × d
Where 'F' represents the exerted force and 'd' represents the displacement.
The power can be described as the rate of doing work and is the work done in unit time. The mathematical formula for power can be represented as mentioned below.
Power = Work/time = W/t
As the mass of the box is equal and both cover the same distance so the work done by both students will be equal. The time taken by both students is different. Therefore, the power will be different.
More the time is taken, the lesser the power. Therefore, Jaci has greater power than Kyli.
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wind blows over the house shown above. the house has a single room with one window, which is open. the room has a fireplace with a chimney that is not blocked. is there an airflow through the house? if so, does the air flow in the window and out the chimney, or in the chimney and out the window, or in some other way?
The wind that is blowing over the house flows in the window and out the chimney.
Air Flow at Home:
Air is a solution of diatomic gas. Air will flow from a high pressure to low pressure. Usually, the roof area has low pressure thus, air flows from inside the house and out to the chimney; if there is any. In this case, the chimney should have a correct size to avoid updraft.
Air flows from a high pressure point to a low pressure point to find equilibrium. In this case, since the wind is blowing over the house, the pressure at that area will be low. With this, the lower part of the house will have a relatively high pressure compared to the roof. Thus, the air will flow in the window and outside of the chimney.
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the moon has a mass of 1×1022 kg, and the gravitational field strength at a distance r from the planet is 0.001 n/kg. what is the gravitational force exerted on the moon while it is in orbit around the planet?
The gravitational force exerted on the moon while it is in orbit around the planet is 1×10¹⁹ N
How do I determine the gravitaional force?From the question given above, the following data were obtained:
Mass of moon (M) = 1×10²² KgGravitational field strength (E) = 0.001 N/KgGravitational force (F) =?From the above data, we can obtain the gravitational force as illustrated below:
Gravitational field strength (E) = force (F) / mass (M)
E = F / M
0.001 = F / 1×10²²
Cross multiply
F = 0.001 × 1×10²²
F = 1×10¹⁹ N
Thus, from the above calculation, we can conclude that the gravitational force is 1×10¹⁹ N
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By which primary heat transfer mechanism does one end of a steel rod become hot when the other end is placed in a flame? a) conduction b) combustion c) convection d) radiation
Option A is correct, conduction is the method by which the primary heat transfer mechanism does one end of a steel rod becomes hot when the other end is placed in a flame
Conduction is the manner with the aid of which heat is transferred from the warmer quit to the colder cease of an item. The ability of the item to behave warmth is known as its thermal conductivity and is denoted as k.
Heat spontaneously flows along a temperature gradient. for example, warmth is performed from the hotplate of an electric range to the bottom of a saucepan in contact with it. in the absence of an opposing external riding energy source, inside a frame or between bodies, temperature differences decay through the years, and thermal equilibrium is approached, temperature turning more uniform.
In conduction, the warmth glide within and via the body itself. In evaluation, in a warmness switch by using thermal radiation, the transfer is regular between bodies, which may be separated spatially. warmness also can be transferred by using a combination of conduction and radiation. In solids, conduction is mediated by way of the combination of vibrations and collisions of molecules, propagation and collisions of phonons, and diffusion and collisions of loose electrons. In gases and drinks, conduction is due to the collisions and diffusion of molecules at some stage in their random movement.
Photons in this context do not collide with one another, and so warmness delivery by using electromagnetic radiation is conceptually awesome from heat conduction by way of microscopic diffusion and collisions of cloth particles and phonons. but the difference is frequently now not easily found except the fabric is semi-transparent.
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how many revolutions per minute must a circular, rotating space station of radius 1000 m rotate to produce an artificial gravity of 9.80 m/s2?
Using Centripetal Force the Number of revolutions per minute is 0.95rpm, such that the Space statition is rotating in circular path
What is Centripetal Force?A force that causes a body to follow a curved path is known as a centripetal force. It always moves in a direction that is the opposite of the body's velocity and in the direction of the immediate center of curvature of the path. It is "a force by which bodies are dragged or driven, or in any other way gravitate, towards a point as to a center," according to Isaac Newton. Gravity is the centripetal force that drives astronomical orbits according to Newtonian mechanics.
A common illustration of centripetal force is when a body moves uniformly fast in a circular motion. The centripetal force is directed towards the center of the circular route both along the radius and at right angles to the motion.
now coming to given statement,
In order for the station to produce an artificial gravity, its centripetal acceleration must be the same as the gravitational acceleration.
Since the radial acceleration is [tex]a_r[/tex] = g = [tex]\frac{v^2}{r}[/tex]
Since speed is V = rω
we get [tex]rω ^2[/tex] = g
therefore ω = [tex]\sqrt{\frac{g}{r} }[/tex]
= 9.9 × 10[tex]^-2[/tex] rad/ sec
Thus, it needs to rotate at a rate of
R = ω·60/2π
= 0.95 rpm
Using Centripetal Force, the Number of revolutions per minute is 0.95rpm, such that the Space statition is rotating in circular path
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A skydiver steps from a helicopter hovering thousands of metres above ground. After 3.5 s of free fall, the skydiver pulls the ripcord. What is the skydiver’s displacement during the 3.5 s of free fall?
The displacement skydiver stepping from a helicopter hovering thousands of meter above the ground is 60.025 m downward.
What is displacement?Displacement is the distance of a body in a specified direction.
To calculate the skydiver's displacement, we use the formula below.
Formula:
s = ut+gt²/2................... Equation 1Where:
s = Skydiver's displacementg = Acceleration due to gravityt = Timeu = Initial velocityFrom the question,
Given:
u = 0 m/sg = 9.8 m/s²t = 3.5 sSubstitute these values into equation 1
s = (0×3.5)+(9.8×3.5²)/2s = 60.025 m downwardHence, the skydiver's displacement is 60.025 m downward.
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Do you think the number of asteroid samples a pod is carrying could make a difference?.
Yes, the number of asteroid samples a pods is carrying will make a difference. The number of asteroids carrying the pods will make a difference because the objects will differ in their million mass due to the number of pods present.
still, but the objects have the different million mass, the object with lower mass will have a lesser change in haste(velocity), If the same strength force is wielded on two objects. Forces affect stir because they can change an objects stir.
The number of asteroids carrying the pods will make a difference because the objects will differ in their million mass due to the number of pods present.
When the million mass of two objects differ, though the same strength of the force is wielded on both the million mass their haste changes as the million mass affect the haste of the object.
Still, they stop or their haste would be constant, If one of the object's mass is lesser than one also the lesser mass object will have further haste compared to the object with the lower mass and if million mass of both the object is the same.
Therefore, it is true that the number of asteroid samples a pod is carrying could make a difference.
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how much tension must a cable withstand to accellerate a 1400 kg car vertically upward at 0.70 m/s^2
Answer:
Below
Explanation:
The cars upward accel adds to the gravity accel (think about how suddenly heavy you feel when the elevator starts to move upward)
F = tension = ma
= 1400 * ( .7 + 9.81) = 14714 N
even if the europa clipper can't send a lander down to europa's surface, it may still be able to sample the sub-ice ocean during some of its flybys. how would this work?
Even if the europa clipper can't send a lander down to europa's surface, it may still be able to sample the sub-ice ocean during some of its flybys because there is some evidence that plumes of water shoot out of Europa, and the spacecraft could fly through them.
What is the reason for plumes of water shoot?Recent observations suggest that thin plumes might be ejected 100 miles above Europa's surface. The Hubble space telescope and some Galileo satellite data were used to make this finding. Even a NASA-led study team has found water vapor right over Europa's surface. Therefore, plumes emanate from Europa, and if they are connected to the ocean there, a spacecraft may fly through them to collect samples of the subglacial water.
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The de broglie equation relates the wavelength and the kinetic energy of particles. what is the mass of a particle with a speed of 2.34 × 10^6 m/s with a de broglie wavelength of 2.25 × 10^-9 m?
The mass of the particle having a de Broglie wavelength of 2.25×10⁻⁹ m and moving with a speed of 2.34×10⁶ m/s is 1.26×10⁻³¹ kg.
The de Broglie equation relating the momentum of a particle with its de Broglie wavelength is given by:
λ=h/Mv
where 'λ' is de Broglie wavelength, 'h' is Planck's constant having its value as 6.626×10⁻³⁴ kg-m²/s and 'M' is the mass of the particle.
Using the above equation and the values of λ=2.25×10⁻⁹ m, v=2.34×10⁶ m/s, and h=6.626×10⁻³⁴ kg-m²/s;
λ=h/Mv
2.25×10⁻⁹ m=(6.626×10⁻³⁴ kg-m²/s)/(M×2.34×10⁶ m/s)
=>M=(6.626×10⁻³⁴ kg-m²/s)/(2.25×10⁻⁹ m×2.34×10⁶ m/s)
=>M=(6.626×10⁻³⁴ kg-m²/s)/(5.265×10⁻³ m²/s)
=>M=1.26×10⁻³¹ kg
Therefore, the mass of a particle with speed 2.34×10⁶ m/s with a de-Broglie wavelength of 2.25×10⁻⁹ m is given to be 1.26×10⁻³¹ kg.
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A farmer with 2000 meters of fencing wants to enclose a rectangular plot that borders on a straight highway. If the farmer does not fence the side along the highway, what is the larges area that can be enclosed?.
The sides xx and y will be parallel to the road and perpendicular to it, respectively.
2x + y = 2000 y = 2000 2x A = 2x + y = 2x2 + 2000 x
Locate the vertex:
=500 ⇒y=2000−2x\s=1000\s ⇒A=x⋅y\s=500⋅1000=500000
The largest area is 500000 square meters.
By rectangle, what do you mean?A rectangle is a quadrilateral with parallel sides that are equal to one another and four equal vertices. Due of this, it is also known as an equiangular quadrilateral. Due to their equal and parallel opposite sides, rectangles are also known as parallelograms.
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What is the speed of light in m s2?
The speed of light wave is 3×10⁸m/sec. Light waves requires medium to travel, this speed is when light wave travels through vacuum.
The speed of light in vacuum, normally meant c, is a widespread actual steady that is significant in numerous areas of material science. The speed of light c is precisely equivalent to 299,792,458 meters each second (around 300,000 kilometers each second; 186,000 miles each second; 671 million miles for every hour). As per the extraordinary hypothesis of relativity, c is as far as possible for the speed at which traditional matter or energy (and hence any sign conveying data) can go through space.
All types of electromagnetic radiation, including noticeable light, travel at the speed of light. For the vast majority commonsense purposes, light and other electromagnetic waves will seem to engender momentarily, yet for significant distances and extremely delicate estimations, their limited speed makes perceptible impacts.
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A mass is connected to a spring and is allowed to move horizontally. The mass is at a position L when the spring is unstretched. The mass is then moved, stretching the spring, and released from rest. It then moves with simple harmonic motion. (a) At the instant that the mass passes through the position where the spring is unstretched, what can be said about its instantaneous acceleration? Grade Summary It is maximum. OIt is zero It is non-zero but not maximum Potential per attempt) Hint I give up 1% -ム33% Part (b) At the instant that the mass asses through the position where the spring is unstretched, what can be said about its instantaneous ーム33% Part (c) At the instant that the spring is compressed the most, what can be said about the magnitude of its instantaneous velocity?
The spring is then stretched by moving the bulk after which it is set free. It then moves in straightforward harmonic motion. While not maximal, it is not zero either.
Is a mass attached to a spring if its duration is?The square root of the mass and the spring constant have opposite relationships with respect to the period of a spring-mass system.
What is mass motion when it is connected to a spring?If there is no friction and the mass is moved just a "small" distance from its equilibrium position at x = 0, the motion of a mass linked to a spring is said to be simple harmonic motion. The displacement needs to be minimal enough to avoid stretching the spring above its elastic limit and causing distortion.
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What is the wavelength of a sound wave traveling at 340 m/s through the air at a frequency of 440 Hz?
The wavelength of wave is 1.29m if the speed of wave is 340meters/sec and the frequency of the wave is 440Hz.
Right when you let out a boisterous cry inside a chasm, you consistently hear the reverberation of the holler. The sound waves travel through the medium; for this current situation, the air and skirt off the gorge wall and return to the beginning of the sound (you). The outcome is that you hear the reverberation of your holler.
We know that when an electromagnetic wave is going through speed v passing in a medium, it contains specific speed and frequency which is given by the expression
c=ν × λ
where c is defined as the speed of light in vacuum,
ν is defined as the frequency of the wave and
λ is defined as the wavelength of the wave.
Now, we have frequency(ν) = 440Hz, and speed(c)=340m/sec
So, using the above formula, we get
340=440×λ
=>λ=440/340
=>λ=1.29m
Hence, wavelength of sound wave is 1.29m
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a spring is attached at one end to support b and at the other end to collar a, as represented in the figure. collar a slides along the vertical bar between points c and d. in the figure, the angle is the angle created as the collar moves between points c and d.
A. Distance of point A to point B is: 3.4 feet
B. The value of ∅ is: 54.8 .
Callback:
The trigonometric ratios to solve for the length or angle of the missing right triangle are: SOH CAH TOA.
The given image shows a right triangle.
Part A: Distance from point A to point B.
reference angle (∅) = 28°
hypotenuse = AB = ?
adjacency = 3 feet To find
AB, apply the trigonometric function CAH Replace
cos ∅ = adj/hyp
. ft (nearest tenth of a foot)
Part B: Value of ∅ at AB = 5.2 feet.
∅ = ?
adj = 3 feet
hyp = AB = 5.2 feet
To find ∅, apply the trigonometric function CAH:
cos ∅ = adj/hyp).
Trigonometry helps find angles and distances and is commonly used in science, engineering, video games, and more. right triangle.
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calculate the de broglie wavelength (in m) of a 1.90 kg rock thrown with a speed of 4.80 m/s into a pond.
The de Broglie wavelength is 6.96 x 10^-33 m of a 1.90 kg rock thrown with a speed of 4.80 m/s into a pond.
λ = h/mv
λ = (6.626 x 10^-34)/(1.90 x 10^-3 x 4.80)
λ = 6.96 x 10^-33 m
Therefore, the de Broglie wavelength is 6.96 x 10^-33 m
De Broglie wavelength is a measure of the wave properties of a particle and is related to the particle's momentum. The equation for calculating the De Broglie wavelength is given by:
λ = h/p
where
λ = De Broglie wavelength
h = Planck's constant (6.626 x 10^-34 J*s)
p = momentum
The momentum of a particle can be calculated using the equation:
p = mv
where
m = mass of the particle
v = velocity of the particle
In this case, the mass of the rock is 1.90 kg and its velocity is 4.80 m/s.
Therefore, the momentum of the rock is:
p = 1.90 kg x 4.80 m/s = 9.24 kg m/s
Now we can calculate the De Broglie wavelength of the rock using the equation:
λ = h/p
λ = (6.626 x 10^-34 J*s) / (9.24 kg m/s)
λ = 7.
The de Broglie wavelength, named after the French physicist Louis de Broglie, is the quantum mechanical property of a particle that describes its wavelike behavior. It is the wavelength of a particle associated with its momentum, and is given by the equation
λ = h/p
where λ is the wavelength, h is Planck’s constant, and p is the momentum of the particle. This equation is important in understanding the behavior of particles in both classical and quantum mechanics. In classical mechanics, particles are described as having a definite position and momentum, and the de Broglie wavelength allows us to calculate the probability of a particle being in a certain position at a given time. In quantum mechanics, the de Broglie wavelength is used to calculate the probability of a particle being in a certain state.
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if pressure increases by 1.000 atm for every 10.00 m of depth, at what depth was the diver working? assume the temperature remains constant.
The diver was working at a depth of 100 m. This can be determined by solving the following equation:
1.000 atm × 10.00 m = X atm × 100 m
X = 10 atm
This means that the pressure increased by 10 atm for every 100 m of depth, which means the diver was working at a depth of 100 m.
Since the temperature remained constant, the pressure increase was solely due to the change in depth.
The pressure increases by 1.000 atm for every 10.00 m of depth. This is known as the hydrostatic pressure equation, which states that pressure (P) is equal to the density of the fluid (rho) multiplied by the acceleration of gravity (g) multiplied by the depth (h):
P = rho * g * h
In this case, we can rearrange the equation to solve for h, the depth at which the diver was working:
h = P / (rho * g)
Since we know that the pressure increases by 1.000 atm for every 10.00 m of depth, we can assume that the pressure at the depth at which the diver was working is P. Therefore, we can substitute P for the pressure in the equation:
h = P / (rho * g)
Since the temperature remains constant, we can assume that the density of the fluid (rho) is also constant. Therefore, we can substitute the value of rho into the equation:
h = P / (rho * g)
Finally, we can substitute the value of acceleration of gravity (g) into the equation:
h = P
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9. In drag racing, acceleration is more important than speed, and therefore drag
racers are designed to provide high accelerations. Suppose a drag racer has a
mass of 1250 kg and accelerates at a constant rate of 16.5 m/s². How large is
the unbalanced force acting on the racer?
Drag racers are designed to provide high accelerations.
What is drag racing?drag racing, form of motor by the racing that originated in the United of States and in which 2 contestants race from a particular standing starting side by side on a drag strip—a flat, straight courses, mostly commonly 1/4 mile (0.4 km) long.
In drag racing, acceleration is more importantly than the speed, and therefore drag by the racers are designed by the provide Higher accelerations. Supposed a drag racer has a mass of 1250 kg and accelerates at the constant rate of 16.5 m/s².
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a spaceship, 200 m long as seen on board, moves by the earth at. what is its length as measured by an earth-bound observer?
The length of the spaceship as measured by an earth-bound observer is equal to 48.6 m
What is length contraction?Length contraction can be described as the phenomenon that the length is measured to be shorter than its proper length, which is the length as measured in its own rest frame and is also known as Lorentz contraction.
The original formula of the length contraction leads to the relation:
[tex]{\displaystyle L=L_{0}{\sqrt {1-\frac{v^{2}}{c^{2}}}}[/tex]
In the above equation, both L and L₀ are measured parallel to the line of movement of the object.
Given, the original length of the spaceship, L₀ = 200 m
The speed of the spaceship, v = 0.970 c
The apparent length of the spaceship can be calculated as:
[tex]{\displaystyle L=200\times {\sqrt {1-\frac{(0.970c)^{2}}{c^{2}}}}[/tex]
L = 48.6 m
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Your question was incomplete, most probably the complete question was,
A spaceship, 200 m long as seen on board, moves by the earth at 0.970c. What is its length as measured by an earth-bound observer?
assume that three irregularly shaped planet-like objects, each smaller than our moon, have just been discovered orbiting the sun at a distance of 35 au. one of your friends argues that the objects should be classified as planets because they are large and orbit the sun. another friend argues that the objects should be classified as dwarf planets, like pluto. state whether you agree or disagree with either or both of your friends. explain your reasoning.
It does not meet all three criteria to be considered a planet.
What are three criteria to be considered as planet?
They determined that a planet must meet the following three requirements:
It must be a body that orbits the Sun independently; as moons orbit planets, they cannot be regarded as planets.It must possess sufficient mass to be drawn into a roughly spheroidal shape by its own gravity.To "dominate" its orbit, it must be massive enough (i.e. its mass must be much larger than anything else which crosses its orbit)According to the question:
I concur with the buddy who says that it should be categorized as a dwarf planet, similar to Pluto, as Pluto is not large enough. Because it is also smaller than the Earth, it does not meet all three criteria to be considered a planet.
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It does not meet all three criteria to be considered a planet.
What are three criteria to be considered as planet?
They determined that a planet must meet the following three requirements:
It must be a body that orbits the Sun independently; as moons orbit planets, they cannot be regarded as planets.
It must possess sufficient mass to be drawn into a roughly spheroidal shape by its own gravity.
To "dominate" its orbit, it must be massive enough (i.e. its mass must be much larger than anything else which crosses its orbit)
I agree with my friend who believes it should be classified as a dwarf planet, comparable to Pluto, because Pluto is insufficiently huge. It does not match all three requirements for being called a planet because it is also smaller than the Earth.
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rank the following steps that lead to a type i supernova event in order of when they occur from first to last.
The steps that lead to a type I supernova event, in order of when they occur from first to last, are:
Initial Stateaccretion disk on growing WDWD at Chandrasekhar limit carbon fusion beginsdetonation Final StateInitial state: The supernova process begins with a white dwarf star (WD) in a binary system. The WD is orbited by a companion star that is transferring matter onto the WD, forming an accretion disk around the WD.
Accretion disk on growing WD: As the companion star continues to transfer matter onto the WD, the accretion disk grows larger. This causes the WD to become more massive and increase in size.
WD at Chandrasekhar limit: At a certain point, the WD reaches the Chandrasekhar limit, which is the maximum mass a WD can have without collapsing. This occurs when the WD's mass is about 1.4 times the mass of the Sun.
Carbon fusion begins: As the WD continues to grow in mass and size, the pressure and temperature at its core become so high that carbon fusion begins. This process releases a huge amount of energy, which causes the WD to expand rapidly and become unstable.
Detonation: The unstable WD eventually reaches a critical point, known as the detonation point, where a sudden, explosive release of energy occurs. This is the beginning of the actual supernova event.
Final state: After the detonation, the WD continues to expand and cool, eventually becoming a supernova remnant. This is the final state of the supernova process.
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Complete Question:
rank the following steps that lead to a type i supernova event in order of when they occur from first to last.
-Initial State
-accretion disk on growing WD
-detonation
-carbon fusion begins
-WD at Chandrasekhar limit
-Final State
a certain electromagnetic wave has the maximum component of electric field of 850 v/m. calculate the corresponding maximum component of the magnetic field.
2.83x10-6T is the greatest component of the magnetic field that corresponds.
Given:
E = 850 v/m for the largest electric field component
Bm = E/c Bm is the formula for the electric field and the magnetic field.
then
Bm = E/c Bm
= 850/3x108
= 283.33x10-8
= 2.83x10-6T
To observe magnetic forces, one can utilise a magnetic field, an electric current, a changing electric field, or a vector field surrounding a magnet. Magnetic fields cause electrically charged particles to move in a helical or circular pattern. Electric motors operate on this force, which is applied to electric currents in wires in a magnetic field.
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What is the wavelength of 200 Hz?
anderson video - solenoids 4 of 5 review | constants first, launch the video solenoids. after watching the video, answer the follow-up question below. select to launch video part a a solenoid with 200 loops is 60 cm long. it has a current of 4.2 a. what is the magnetic field in this solenoid?
The magnetic field in this solenoid is 0.3438 X 10⁻³ mT.
Number of loops = n = 200
Length of the solenoid = l = 60 cm = 0.6m
Thus, turns per m = 200/0.6 = 333.33
Current through the solenoid = i = 4.2
The magnetic field through the solenoid is = B =
= B = μ X n X I
= B = ( 4 X π X 10⁻⁷ X 200 X 4.2 ) / 0.60
= B = 10500.4 X 10⁻⁷ / 0.60
= B = 34383.66 X 10⁻⁷ T
= B = 0.3438 X 10⁻³ mT
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protons in an atomic nucleus are typically 10-15 m apart. what is the electric force of repulsion between nuclear protons?
The electric force of repulsion between nuclear protons is 230 Newton.The size of the force varies inversely as the square of the distance between the two charges.
Electric charge consists of two types i.e. positively electric charge and negatively electric charge.There was a famous scientist who investigated about this charges. His name is Coulomb and succeeded in formulating the force of attraction or repulsion between two charges i.e. :
F = electric force (N)
k = electric constant (N m² / C²)
q = electric charge (C)
r = distance between charges (m)
The value of k in a vacuum = 9 x 10⁹ (N m² / C²)
F = k(q1 q2)/ r^2
Distance between protons = d = 10⁻¹⁵ m
charge of proton = q = 1.6 × 10⁻¹⁹ C
Here q1=q2
electric force = F =230N
Coulomb's Law: Two protons in an atomic nucleus are typically separated by a distance of 2×10−15m. The electric repulsive force between the protons is huge, but the attractive nuclear force is even stronger and keeps the nucleus from bursting apart.
2 Nuclei and the Need for an Attractive Nuclear Force. The Coulomb force also acts within atomic nucleii, whose characteristic dimension is 10 m, which is called a fermi. There are two protons in a He nucleus, which repel each other because of the Coulomb force.
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the mass of the sun is 1.99 x 1030 kilograms and its distance from a newly discovered planet is 1.5 x 1011 meters. the planet has a mass of 3.26 x 1022 kg. what is the gravitational force between the sun and the planet?
The Gravitational Force between the sun and the planet is 19.231 X 10¹⁹ Newton.
Mass of Sun = M = 1.99 X 10³⁰ Kg
Mass of the planet = m = 3.26 X 10²² Kg
Distance = d = 1.5 X 10¹¹ m
Gravitational Constant = G = 6.67 × 10⁻¹¹
The Gravitational force = F =
= F = (G X M X m ) / d²
= F = ( 6.67 × 10⁻¹¹ X 1.99 X 10³⁰ X 3.26 X 10²² ) / ( 1.5 X 10¹¹ )²
= F = 43.27 X 10⁴¹ / 2.25 X 10²²
= F = 19.231 X 10¹⁹ N
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How does lack of sleep affect muscle recovery?
Sleep is crucial for muscle building. Our muscles develop and fix when we take proper sleep.
Preparing isn't the main thing that can experience the ill effects of absence of sleep. Sleep altogether affects muscle recuperation, and in the event that you don't get sufficient it will influence your endeavors in the exercise center too. At the point when we are drained during our exercises, we might have the option to push through in any case however this negatively affects our body synthesis objectives as well!
We become all the more quickly flustered or deterred with unfortunate activity execution when sluggish which leads us into vices like jumping out for an additional little while of shuteye later around evening time.
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