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SAT® Subject Test in Physics

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Time and Special Relativity

SATPHY-LMJMF1

A person is watching a rocket with an astronaut inside move by at a speed near the speed of light.

Which of the following statements is true?

A

The passage of time on the astronaut's watch is faster from the person's perspective than from the astronaut's perspective.

B

The passage of time on the astronaut's watch is the same from the perspective of the person and the astronaut.

C

The passage of time on the astronaut's watch is faster from the perspective of the astronaut than from the perspective of the person.

D

The passage of time on the person's watch is faster, from his own perspective, as the rocket flies by, than it was before the rocket flew by.

E

The passage of time on the astronaut's watch is faster, from his own perspective, as he flies by the person, than it was before he flew by the person.