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AP® Physics 1 & 2

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Moderate

Possible Relativistic Scenarios

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Which of the following scenarios is NOT possible when considering relativistic speeds?

A

All observers, whether stationary or moving, observe the same speed of light.

B

A teenager travels at relativistic speeds in a spaceship. Upon return to Earth, the teenager MUST BE YOUNGER than the parents.

C

Two parents of a teenager travel at relativistic speeds in a spaceship. Upon their return to Earth, the parents MUST BE OLDER than their teenage son/daughter.

D

An observer on a spaceship traveling through the Solar System at relativistic speeds will measure the length of the Solar System differently than an observer stationary on Earth.