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?

The difference for the nth maxima is 500n  farther is it from the dot on the screen in the center of fringe e to the left slit than it is from the dot to the right slit

The maximum intensity occurs at this location in a single-slit diffraction pattern as a result of secondary waves reinforcing one another there.

Distance from the screen's center dot

The difference is (500)(0) = 0 when viewed from the center (zeroth) fringe.

The difference for the first maximum is 500 nm.

It is equal to 500 x 2 1000 nm for the second.

As a result, we can say that the difference for the nth maxima is 500n.

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Even though speed doesn't vary, acceleration is a change in motion that slows down, speeds up, or changes direction.

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The majority of electromagnetic energy from space cannot reach the Earth's surface. The only light that reaches sea level is radio waves, visible light, and some ultraviolet light.

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The centripetal acceleration of the car on the circular track is found to be 10m/s².

The car is running on a circular track at a speed of 30m/s. The radius of the circular curve is 90 m.

The centripetal acceleration of the car is given by the relation,

a = v²/r

Where is the centripetal acceleration we is the speed of the car and R is the circular radius of the curve,

Putting values,

a = (30)²/90

a = 10m/s²

So, the centripetal  acceleration of the car is 10m/s².

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Answer:

Below

Explanation:

Momentum =  m * v

momentum / m = v

2.1 / m = v

Cannot answer this with a specific numerical  value as we do not know the ball's mass (we should also have the units of momentum in question)

There are two methods:

Pythagorean Theorem

Take the Derivative with Respect to Time

Pythagorean theorem:

Let's name the horizontal distance from the wall to the bottom of ladder h, and the vertical distance from the ground to the top of ladder y. Then, because the ladder is l feet long, we may know at any time

This statement expresses the connection between

h² + y² = l²

the quantity you want (something about the vertical position of the ladder's top, y), and the quantity you've been given (something about the horizontal location of the ladder's bottom, x).

Take the Derivative with Respect to Time

h² + y² = l²

d/dt [h² + y²] = d/dt[l²]

2x dh/dt + 2y dy/dt = 0[*]

The last statement provides the necessary relationship between the unknown dy/dt and the known dh/dt.

So, once again, the problem is virtually solved.

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Technician A says the lens of a sealed beam headlight has convex prisms molded to the inner surface. Technician B says it’s an airtight assembly containing a filament, reflector, and lens. The correct statement is told by: both technicians.

A sealed beam lamp is an enclosed bulb in front of a glass lens we can find in a headlamp. Each part of the sealed beam cannot be replaced separately. The sealed beam headlights have parabolic aluminized reflectors in the form of convex prisms molded to inner surface. It also contains a filame, reflector, and lense. Hence, both statement from the technicians are true.

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Answer:

C

Explanation:

You don't want to buy a 1000 dollar credit card.

The features are useful, like the little sync feature to automatically pay is awesome.

The plan of use for the card is important

the card aesthetic doesn't affect the card in any way, just your personal preference

Maximum instantaneous speed occurs when the mass moves through the region where the spring is compressed.

The rate at which the speed and direction of a moving object alter over time is known as acceleration. An item or point is said to be accelerated when it moves more quickly or more slowly in a straight path. Because the direction is always changing, travel on a circle accelerates even while the speed is constant.

The rate at which an object's velocity alters in relation to time is referred to as acceleration in physics. The acceleration of an object is the result of all the forces acting on it, according to Newton's Second Law. The meter per second squared is the unit of acceleration in the SI system (m s2).

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The kind of influence which Solomon is experiencing in this scenario is generally referred to as informational social influence.

In Psychology, an informational social influence can be defined as a situation in which a person (individual) conforms to new information or arguments because he or she has a desire to be right (good and just), especially by looking to others who are believed to have more information.

This ultimately implies that, an informational social influence is a type of conformity which is associated with internalization and it typically occurs when a person (individual) is either unsure and skeptical about a situation or lacks knowledge.

In this context, we can reasonably infer that Solomon is experiencing informational social influence in this scenario.

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The smallest possible uncertainty in the position of the proton is 4.211×1/10¹⁴m.

The velocity of a proton in an accelerator is known to an accuracy of 0.250% of the speed of light.

∆x∆v = h/4πm

uncertainty in velocity, ∆v = 0.25×3×10⁸/100 = 4.211×1/10¹⁴m

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Kinetic equation can be solved by the formula (1/2*m*v²).

Kinetic equation is the equation used to solve the problems related to kinetic energy.

There are two basic forms of energy: potential and kinetic energy.

The kinetic energy of an object can be easily determined by an equation using the object's mass and velocity.

Mathematically, kinetic energy is given by Kinetic equation i.e. KE =  (1/2*m*v²).

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The speed of a 12 kg block on a frictionless horizontal surface attached to a light spring (force constant = 0.80 kN/m) when it is 13 cm from its equilibrium position is 1.32 m/s.

The law of the conservation of energy states: “The total energy is constant in any process. It may change form or be transferred from one system to another, but the total is the same.”

Energy can be changed from one form to another (potential energy can be converted to kinetic energy) but the total energy in the domain remains the same.

The equation is:

Total energy = KE + PE

In a spring, the applied force is stored as potential energy which is given by

PE = ½ kx²

And kinetic energy:

KE =  ½ mv²

Remember that energy is the ability to do work and the work done is the force applied to an object and the resulting displacement.

So,

E = Fx

We have,

m = 12 kg

k = 0.8 kN/m

F = 80 N

x = 13 cm ⇒ 0.13 m

To determine the speed, use the equation:

Fx = ½ kx² + ½ mv²

80 (0.13) = ½ (0.8) (0.13)² + ½ (12)v²

10.4 = 0.00676 + 6v²

6v² = 10.39

v² = 1.73

v = [tex]\sqrt{1.73}[/tex]

= 1.315 ≈ 1.32 m/s

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Answer:

The answer should be about 0.77 m/s.

Explanation:

This is because there is a rightward force of 80 N (the applied parallel force that’s stated)
BUT, there’s also the leftward force which is the potential energy produced by the pulling of the spring,
which equals to: (0.5)*(k, or spring constant, or in this case 800N)*(x, or distance from equilibrium point, or in this case 0.13m)^2 = 0.5*800*0.13*0.13 = 6.76J
This is the work done by the spring, and since work equals Force times Distance(in this case 0.13m) we get 6.76=0.13F, solve for F, F=52N
NOTE: since this is a leftward force, it is a negative force.
This means that there’s a net force of 28N
Since: F=ma, 28=12a
Which is about: 2.33=a
Now, as we know, a equals change in velocity over change in time, so substitute into the equation above:
2.33 = deltaVelocity / deltaTime
deltaVelocity = finalVelocity(at 0.13m) - initialVelocity(in this case 0) = finalVelocity
deltaTime = finalTime(at 0.13m) - initialTime(in this case 0) = finalTime
And so: 2.33 = finalVelocity / finalTime
Rewrite: 2.33*(finalTime) = finalVelocity
As we know: (displacement) = (intialVelocity)*(time) + (0.5)*(acceleration)(time)^2
If we plug in everything we know: 0.13 = 0*t + 0.5*2.33*t^2
Simplify: 0.13 = 1.17*t^2
Solve for t: 0.11 = t^2
0.33 = t
Back to our previous equation: 2.33*(finalTime) = finalVelocity
Plug in 0.33 for time: 2.33*0.33 = finalVelocity = 0.7689
Round off: 0.77 m/s

*I apologize for not including units throughout all of my explanation, but it’s hard to write this much on my phone, and it’s currently 2am.
Also, some of my terms might probably not be the most commonly used, but it’s how i feel i can explain it best.
Also, judging by the wording of the question from the poster(which by the way has a bunch of misspellings), where they write “acting parallel to the surface is applied to the block, as shown” I’m led to believe it is the same problem I saw in my class, as a picture is displayed below with the parallel force pulling on the string, and the right answer was marked as 0.77 m/s.

**Please correct me if I’m wrong in any part of my explanation, as I’m still learning, but as I got this problem marked as correct, I’m led to believe I got this right ;-;

The magnitude of the impulse on him from the water is equal to -896 Ns.

Impulse is referred to as the integral of any force that is applied over a time interval for which it acts. In order to find the impulse we have the information as

Height = 12m

Mass = 64kg

The kinetic energy is expressed as 1/2mv² while potential energy is expressed as mgh. From the law of conversation:

1/2mv² = mgh

where m is mass of Henry, v is velocity, g is acceleration due to gravity and h is height/. Now, further solving

v = ✓2gh

v = ✓2 × ✓9.8 × ✓10

v = 14m/s

The change in velocity or the Impulse will be

Impulse = 64(0 - 14)

Impulse = 64 × -14

Impulse = -896Ns

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Complete Question:

Until he was in his seventies, Henri LaMothe excited audiences by belly-flopping from a height of 12 m into 30 cm. of water. Assuming that he stops just as he reaches the bottom of the water and estimating his mass to be 64 kg, find the magnitude of the impulse on him from the water.

The frequency of a sound wave with a period of 2 seconds is 0.5Hz..Frequency is said to be inversely proportional to time period.

Frequency suggests the amount of cycles in a particular unit of time. The avocation for why the sky is blue or anything contains assortment can be really figured out by it. In addition, it can similarly get a handle on why the voice of specific individuals is significant while for others it isn't significant. Moreover, recurrence plays a significant impact on the notes of a piano or different instruments.

This number of occasions is obviously a major property of a wave. The waves incorporate people reliably. Besides, light is an electromagnetic wave and the fan is a sound wave. A wave is certainly a vibration and conveys energy with it. By and large objective, the amount of waves passing by each second suggests the repeat of the wave. Additionally, its assessment occurs in Hertz (Hz).

So, we know a formula

Frequency=1/Time period

which states that frequency is just converse of time period.

=>v=1/2

=>v=0.5/sec

or v=0.5Hertz.

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Tension required in the string 17.424N .

A wave's speed increases with increased string tension, which raises its frequency (for a given length). By applying varied amounts of pressure, you can alter the string's length, the standing wave's wavelength, and the frequency.

A string can be raised to the pitch of the following note by applying too much tension, but it can be readily lowered by releasing tension. The pitch rises as the strain does. A string's length is also crucial. A string vibrates and makes music when it is supported at two places and pulled.

The fundamental frequency rises with increasing tension. The fundamental frequency rises with the weight of the string.

Here L = .6 , n = 6 , m = 14.4 x 10^(-3.)

Tension required in the string = (4 * L^2 * f^2) / n) * u

u=m/l

u= (14.4*10^-3 kg) /.6m

u = .024 kg/m

T = (4 x .6 x .6 x 55 x 55 / 6) x .024

 = 726 x .024 = 17.424 N

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If  the acceleration of the body is towards the center, the direction of the unbalanced force is also toward the center.

According to the Newton's 2nd law of motion, the direction of the acceleration is the same as the direction of the net force.

Hence, if  the acceleration of the body is towards the center, the direction of the unbalanced force is also toward the center.

This is called a centripetal force and its direction is always toward the center. The magnitude of the force is given by:

F = mv²/r

Where:

F = centripetal force

m = mass of the object

v = tangential velocity

r = radius of the circle trajectory

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The motion being described is linear motion, and since it has direction, it is a vector quantity.

A linear motion is a style of motion in which the object's movement is inversely proportional to its speed and duration of motion.

This type of motion also happens in a straight line.

The following is the formula for final velocity in a linear type of motion:

v = u + at

where;

V is the object's final speed or moving rate.

u is an object's initial speed, and a represents its acceleration.

t is the object's motion in time.

Our equation is formed by the supplied statement as follows:

v = u + at

15 m/s = 10 m/s + 60a

Thus, the final velocity formula, which is a vector quantity, is shown by the equation above.

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Assuming the car stops instantaneously and that the spring is the only force acting against the car's kinetic energy:

When the car hits the wall, the spring-loaded bumper compresses 0.30 m. This means that the spring must have exerted a force on the car in the opposite direction of its motion.

The spring must have stored a minimum of 286,000 J (40,000 J of kinetic energy + 0.3 m of potential energy) of energy to bring the car to a stop.

Assumptions:

- The car stops instantaneously

- The spring is the only force acting against the car's kinetic energy

- The spring is linear (i.e. Hooke's Law applies)

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The penguin that is currently on the outside of the group will eventually be in the middle. Because huddles are dynamic structures, no penguin can stay on the edge for very long.

While swimming in the ocean, a penguin's fat coat shields them from the cold. However, on land, their feathers serve as a means of heat retention. Instead of being long and flat like those of flying birds, penguin feathers are short and contain an underlayer of soft, woolly down. When a penguin comes out of the water, its feathers are excellent at shedding water. They cross each other, creating a good streamlined effect in the water and excellent wind-shedding properties on land. Penguins can puff their feathers out when it's extremely cold to capture more air and provide better insulation.

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The cost of method because the source's pace procedures the velocity of sound transferring to the proper will be 1/2fs.

When each movements withinside the same route with same velocity n' = n, i.e. there can be no Doppler impact because of the truth relative motion amongst deliver and listener is zero.

The motion of the observer will adjust the frequency of the measured sound from a table certain deliver: An observer moving in the direction of the deliver measures a higher frequency. An observer moving a ways from the deliver measures a lower frequency.

The Doppler impact is an alteration withinside the determined frequency of a legitimate due to motion of each the deliver or the observer. The actual trade in frequency is called the Doppler shift.

It will cause an increase in frequency heard thru an observer at the same time as the deliver is moving withinside the direction of the observer and a decrease in frequency heard thru an observer at the same time as the deliver is moving a ways from the observer. The doppler impact can be determined at the same time as an ambulance with a siren on procedures and passes an observer.

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The momentum of the ostrich is determined as 2,282 kg m/s.

The momentum of an object is defined as the product of mass and velocity of the object.

The momentum of the ostrich running at the given velocity is calculated by applying the following formula as shown below.

P = m v

where;

P = 163 kg  x  14 m/s

P = 2,282 kg m/s

Thus, the momentum of the ostrich is a function of mass of the ostrich and velocity of the ostrich.

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The average force during the bounce of a 0.140-kg baseball that is dropped and reaches a velocity of -1.20 m/s just before it hits the ground and bounces with an upward velocity of 1.00 m/s is 15.5 N

J = m Δv

J = Impulse

m = Mass

m = 0.14 kg

Δv = Change in velocity

Δv = vf - vi

vf = Final velocity

vi = Initial velocity

vf = 1 m / s

vi = - 1.2 m / s

Δv = 1 - ( - 1.2 )

Δv = 2.2 m / s

J = 0.14 * 2.2

J = 0.31 kg m / s

J = F Δt

F = Force

Δt = Change in time

Δt = 0.02 s

F = J / Δt

F = 0.31 / 0.02

F = 15.5 N

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A simple pendulum's string needs to be 24.8 metres long in order to oscillate precisely once every 10 seconds.

Use the formula for a simple pendulum:

T = 2π √(L/g)

Where T is the period (time to complete a full oscillation), L is the length, and g is the acceleration due to gravity ≈ 9.81 m/s^2.

Since we need to find the Length of the string we'll solve the equation for L.

√(L/g) = T / (2π)

L = [T / (2π) ] ^2 * g = [ 10.0s / (2π) ]^2 * 9.81 m/s^2 = 24.8 m

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The momentum of the ostrich with mass 163 kg at velocity 14m/s would be 2282 kg·m/s

Momentum is characterized as the intensity of a body's motion. As momentum depends on both velocity and the direction of the body's motion, it is quantified by "mass velocity". Since velocity is a vector and mass is a scalar, momentum is a vector quantity. Mass times speed equals momentum.

p = m*v

= 163*14

= 2482 kgm/s

Although these physical variables are comparable, force and momentum differ from one another. Whether it is a pulling or pushing movement, force is often the outside influence acting on a body. The quantity of motion within a moving body is represented by momentum, on the other hand.

"The motion of an item equal to the product of its mass and its velocity" is referred to as momentum. When we say anything has momentum, we are referring to its precise mass and direction of motion.

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The radius of star is [tex]97.22*10^{3} m[/tex].

Using the angular  formulas can determine the radius using both values neutron star and the the knowing star. So,

L=I*w

[tex]L_{1}=I_{1}*w_{1}=L_{2}=I_{2}*w_{2}[/tex]

[tex]I_{1}*w_{1}=I_{2}*w_{2}[/tex]

where,

           I=Inertia of the star

          w=angular velocity

[tex]I=\frac{2*m*r^{2}}{5}\\w=\frac{2\pi}{t}[/tex]

Notice the angular velocity determinate by the time and the Inertia have the radius value. So,

[tex]\frac{2}{5}*m*r_{sn}^{2}*\frac{2\pi }{t_{1}}=\frac{2}{5}*m*r_{s}^{2}*\frac{2\pi }{t_{2}}r_{sn}^{2}*\frac{1}{t_{1}}=r_{s}^{2}*\frac{1}{t_{2}}r_{sn}^{2}=r_{s}^{2}*\frac{t_{1}}{t_{2}}\\t_{1}=0.2s\\t_{2}=30day*\frac{24hr}{1day}*\frac{60minute}{1hr}*\frac{60seg}{1minute}=2.592*10^{6}s\\r_{sn}=3.5*10^{8}m*\sqrt{\frac{0.2s}{2.592*^{6}s}}\\r_{sn}=97.22*10^{3} m[/tex]

So the radius of the star is [tex]97.22*10^{3} m[/tex].

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Using a high-resolution telescope like the Hubble space telescope is the most effective approach to determining the distance to a galaxy.

The most distant star ever observed is Icarus, a huge blue star that covers more than half the universe. Even with the biggest telescopes in the world, they are typically too faint to be seen.

However, scientists were able to find this far-off star and achieve new distance records because of a natural variation that considerably intensifies the star's feeble shine. Icarus was also used to test the dark matter hypothesis and investigate the makeup of nearby galaxy clusters.

This star is so far away, hidden in a very vast spiral galaxy, that it took nine billion years for its light to reach Earth. The cosmos seems to have existed when it was around 30% older than it is now.

This star can be seen because of gravitational lensing, a cosmic phenomenon. Light is bent and amplified by the gravity of large foreground galaxy clusters, which functions like a natural lens in the cosmos. A single backdrop object's light can produce several images. Light is bright enough to see extremely faint and far-off objects and is substantially intensified.

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The wavelength of wave is 0.15×10⁸m if its frequency is 20Hz.Waves need  medium to travel from one place to another.

Expecting a sinusoidal wave moving at a proper wave speed, frequency is conversely corresponding to recurrence of the wave: waves with higher frequencies have more limited frequencies, and lower frequencies have longer wavelengths.

Frequency relies upon the mode (for instance, vacuum, air, or water) that a wave goes through. Instances of waves are sound waves, light, water waves and occasional electrical signs in a conduit.

For electromagnetic wave ,we know an expression

c=ν × λ

where c is the defined as the speed of wave in any medium,

ν is  defined as the frequency of the wave and

λ is defined as the  wavelength of the wave.

We know that value of c=3×10⁸m/sec and we have v=20Hz

Therefore,3×10⁸=20×λ

=>λ=(3×10⁸)/20

=>λ=0.15×10⁸m

Hence, wavelength of wave is 0.15×10⁸m.

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The child is subjected to a force of 100 N from the object.

Given,

There is an equal and opposite reaction to every action, according to Newton's third law of motion.

Thus, the child is subjected to a force of 100 N as a result of the object.

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Answer:

If the two forces are acting simultaneously on the body, then vector addition will supply us with the resultant force. Note that when the two forces are acting directly opposite each other, we expect the resultant to be smallest, and conversely, when they are acting in exactly the same direction, they will exert the greatest resultant force (simply the sum of the two force magnitudes).