(a) Enterprise spaceship is flying towards a star at velocity of 0.80c. Light emitted from the star is traveling in opposite direction of the Enterprise's velocity. What is the speed of the light measured from the frame of Enterprise? Based on what postulate you get your answer?

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Chapter1: Units, Trigonometry. And Vectors
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Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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(a) Enterprise spaceship is flying towards a star at velocity of 0.80c. Light
emitted from the star is traveling in opposite direction of the Enterprise's
velocity. What is the speed of the light measured from the frame of
Enterprise? Based on what postulate you get your answer?
(b) Captain Kirk is doing an elastic collision experiment in zero-g
environment on Enterprise which is traveling at velocity of 0.80c with
respect to Earth. Captain Kirk measured the initial momentum of the system
is p; and the momentum after collision is pr. To an observer on Earth, he
measured the correspoding initial and final momentum denoted as p' and
p'. Is p = p:' ? (Answer yes or no and provide reasons).
(c) If Captain Kirk obtained pf – P; = 0, will the observer on Earth also
conclude the same result p;' – p;' = 0? (Answer yes or no and provide a
justification.)
(d) Captain Kirk throws a wrench in zero-g environment. The wrench rotates
naturally around its center of mass.(Figure 3) Explain why does the wrench
should rotate about the axis through its center of mass.
Transcribed Image Text:(a) Enterprise spaceship is flying towards a star at velocity of 0.80c. Light emitted from the star is traveling in opposite direction of the Enterprise's velocity. What is the speed of the light measured from the frame of Enterprise? Based on what postulate you get your answer? (b) Captain Kirk is doing an elastic collision experiment in zero-g environment on Enterprise which is traveling at velocity of 0.80c with respect to Earth. Captain Kirk measured the initial momentum of the system is p; and the momentum after collision is pr. To an observer on Earth, he measured the correspoding initial and final momentum denoted as p' and p'. Is p = p:' ? (Answer yes or no and provide reasons). (c) If Captain Kirk obtained pf – P; = 0, will the observer on Earth also conclude the same result p;' – p;' = 0? (Answer yes or no and provide a justification.) (d) Captain Kirk throws a wrench in zero-g environment. The wrench rotates naturally around its center of mass.(Figure 3) Explain why does the wrench should rotate about the axis through its center of mass.
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