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Two Spaceships, Each 100 M Long in Its Own Rest

Question 33

Multiple Choice

Two spaceships, each 100 m long in its own rest frame, approach Earth from opposite directions, with equal speeds relative to Earth. As measured by a passenger in one of the spaceships, the other spaceship is 96 m long. What is the speed of the spaceships?


A) c/7
B) c/6
C) c/5
D) c/4
E) c/3

Correct Answer:

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