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Question
As a rocket ship moves by at 0.95ca mark is made on a stationary axis at the front end of the rocket and 9.0x10-8s later a mark is made on the axis at the back end. The marks are 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
Answer
This answer is hidden. It contains 1 characters.
Related questions
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