As a Rocket Ship Moves by at 0

question 24

Multiple Choice

As a rocket ship moves by at 0.95c a mark is made on a stationary axis at the front end of the rocket and 9 * 10^-8 s later a mark is made on the axis at the back end. The marks are found to be 100 m apart. The rest length of the rocket is:

• A) 31 m
• B) 78 m
• C) 100 m
• D) 240 m
• E) 320 m

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