How Fast Would a Rocket Have to Move Past a Ground

question 52

Multiple Choice

How fast would a rocket have to move past a ground observer if the latter were to observe a 4.0% length shrinkage in the rocket length? (c = 3.00 ´ 10⁸ m/s)

• A)0.12 x 10⁸ m/s
• B)0.28 x 10⁸ m/s
• C)0.84 x 10⁸ m/s
• D)1.2 x 10⁸ m/s

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