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Two spaceships, named A and B, are flying toward each other with relative speed .80c .

The captain of ship B knows that ship A uses 2-m-long missiles. She measures the length of the first missile, once it has finished accelerating, and finds it to be only 0.872m long. What is the speed of the missile, relative to ship B?

I tried to find it by L=Lo(1/sqrt 1- v2/c2)....

BUt i dont seem to find the right answer... any help i will be happy! thanks

The captain of ship B knows that ship A uses 2-m-long missiles. She measures the length of the first missile, once it has finished accelerating, and finds it to be only 0.872m long. What is the speed of the missile, relative to ship B?

I tried to find it by L=Lo(1/sqrt 1- v2/c2)....

BUt i dont seem to find the right answer... any help i will be happy! thanks

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