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How Fast Would a Rocket Have to Move Past a Ground

Question 22

Multiple Choice

How fast would a rocket have to move past a ground observer if the latter were to observe a 9.4% length shrinkage in the rocket length? (c = 3.00 × 108 m/s)


A) 2.98 × 108 m/s
B) 2.72 × 108 m/s
C) 1.27 × 108 m/s
D) 0.420 × 108 m/s
E) ​0.920 × 108 m/s

Correct Answer:

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