An astronaut on a spaceship traveling at 0.75c relative toEarth measures his ship to be 23 m long. On the ship, heeats his lunch in 28 min. (a) What length is the spaceshipaccording to observers on Earth? (b) How long does theastronaut’s lunch take to eat according to observers on Earth?

Q: What happens to the relativistic Doppler effect when relative velocity is zero? Is this the expected…

A: Relativistic Doppler effect is defined as the change in wavelength of radiation, which is moving…

Q: How fast must an object be going if its rest length is 2.1 times as long as its observed length?

A: Given: The rest length of the object is 2.1 times of the observed length.

Q: A particle of rest energy 140 MeV moves at a sufficiently high speed that its total relativistic…

A: The expression from relativity,

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A:

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A: Given:  velocity, v = 2.7 x 108 m/s t = 2.6 x 10-8 s

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A: (a). the life time of moving muon is

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A: According to special relativity Let us consider a frame S'is moving with a speed v along x axis with…

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A: The expression for find relative velocity is t'=t01-v2c21-v2c2=t0t'1-v2c2=t0t'2v=c1-t0t'2

Q: Do time dilation and length contraction occur at ordinaryspeeds, say 90 k/h?

A: time dilation

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Q: An alarm clock is set to sound in 10 h. At t = 0, the clock is placed in a spaceship moving with a…

A:

Q: How fast will a space ship be moving, if the observer on earth notices that the time on the…

A: The equation for the time dilation is given by

Q: How fast must a meter stick be moving if its length is observed to shrink to half a meter by an…

A: l=l01-v2c2

Q: A meter stick in frame S' makes an angle of 30° with the x'axis. If that frame moves parallel to the…

A: Since the frame is moving along the x-axis, Now, Also,

Q: Particles called π-mesons are produced by accelerator beams. If these particles travel at 2.70 ×…

A: π mesons are particles which travel at relativistic speeds, and hence are subject to relativistic…

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A: Write the given values with the suitable variables. v=0.85ctp=2 hr Here, v and tp are the speed of…

Q: Suppose that a father is 23.00 y older than

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Q: If a high-speed spaceship appears shrunken to half its normal length, how does its momentum compare…

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Q: A new particle, the joelon, has just been discovered! Careful measurements show that the joelon has…

A:

Q: Particles called π-mesons are created by accelerator beams. If these particles travel at 2.54 ✕ 108…

A: Relativistic factor   Substituting the given values

Q: If relativistic effects are to be less than 3%, then γ must be less than 1.03. At what relative…

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Q: If relativistic effects are to be less than 1%, then γ must be less than 1.01. At what relative…

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Q: A spaceship passes you at a speed of 0.850c. You measureits length to be 44.2 m. How long would it…

A: Given, Length of spaceship, L0=44.2 m, and speed, v=0.850 c.

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Q: An astronaut exercising on a treadmill maintains a pulse rate of 150 per minute. If he exercises for…

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Q: Compared to the proper time, relativistic time or the time observed by anobserver moving with…

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Q: An astronaut traveling at a speed of 0.75 c requires 25 years,as measured on earth,to make a round…

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A:

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A: This holds for all inertial frames.

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A: Given- speed of rocket with respect to earth , V' = 0.40 c speed of meteor with respect to rocket, v…

Q: In the Marvel comics universe, Quicksilver is awfully fast. Let's say he can run-at a velocity of…

A: velocity (v) = 0.56 c distance of trip according to Quicksilver (Lo) = 4.19×105 m

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A: (a) The expression for the length contraction is:

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A: Given data: Speed of spaceship is, v=0.90c. Speed of probe relative to planet is, u=0.95c.

Q: In a nuclear reaction two identical particles are created,traveling in opposite directions. If the…

A: Given Data: The speed of the first particle is, u = -0.82c. The speed of the second particle is, v…

Q: A golf ball travels with a speed of 90.0 m/s. By what fraction does its relativistic momentum…

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Q: Professor Einstein is standing on a space station and observes two spaceships approaching him…

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Q: In the Marvel comics universe, Quicksilver is awfully fast. Let's say he can run at a velocity of…

A: