Two particles approach each other with a velocity of 0.9 c. What is their relative velocity as observed by A? a) 0.9 c b) 0 c) 0.99 c d) 0.94 c

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Q: A proton moves at .25c. What is it's momentum? Choose the best answer. a) 2.575*10^-16kgm/s

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Q: A rod of length 1m moves with a speed of 0.5 c. How much length contraction takes place? a) 50 %…

A: B

Q: Two particles approach each other with a speed 0.8 c with respect to the laboratory. Their relative…

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Q: wo spaceships, X and Y, are traveling toward each other at speeds (measured from earth) of 0.9c. X…

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Q: Allison and Sydney are doing relativistic experiments in a  stationary lab on earth.  At what speed…

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Q: An observer on the earth sees a spaceship approaching at a velocity of 0.40 c. The spacecraft then…

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Q: 4. A ship flies at 0.82c and is observed by ground-based radar to be 55m in length. What is the…

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Q: A particle has a rest mass of 6.35 × 10-27 kg and a momentum of 5.39 × 10-18 kg-m/s. Determine the…

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Q: 6. An unknown ship is traveling at 0.88 c to the left as measured by someone on the Earth. Earth…

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Q: n A 45.0 m long rocket travels at a speed of 0.945c past an observer who is at rest. What is the…

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Q: What is the total energy of an electron moving with a speed of 0.950 c? a. 2.6 × 10-13 J b. 1.1 ×…

A: Given, Speed of electron is, v=0.95c and rest mass of an electron is mo=9.1×10-31kg   Then the total…

Q: Suppose a space vehicle with a rest mass of 150 000 kg travels past the International Space Station…

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Q: An elementary particle of a mass m, moving to the right with v=0.800 c after leaving an accelerator,…

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Q: How fast does a rocket have to move relative to an observer for its length to be contracted to 95%…

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Q: A muon is created at an accelerator experiment. It moves with a spe0.95c. The muon mass is1.90×10−28…

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Q: When a particle is moving with a velocity of light c relative to S, its velocity as observed by an…

A: D

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Q: 4. A ship flies at 0.82c and is observed by ground-based radar to be 65 m in length. What is the…

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Q: Sam flies past earth at 0.75c. As he goes by, he fires a bullet forward at 0.75c. Suzy, on the…

A: To determine,the bullet’s speed(u).given,Speed of sam(v)=0.75cspeed of bullet(u')=0.75c

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Q: What is the total energy of an electron moving with a speed of 0.950 c? a. 2.6 × 10-13 J b. 1.1 x…

A: Given that,Speed of electron, v=0.95 cRest mass of an electron, m0=9.1×10-31 kgThe total energy of a…

Q: a) What is the velocity of the alien space ship as measured by the ship from Earth? b) If the Earth…

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Q: An electron travels at a speed of 0.600c. a) What is its kinetic energy? b) What is its total…

A: Given Data:- Speed of the electron is v=0.600c. Mass of the elctron is me=9.11×10-31 kg.   Formula:-…