[Solved] Two rockets, A and B, approach the Earth

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Two rockets, A and B, approach the Earth from opposite directions at speed 0.8c. The length of each rocket measured in its rest frame is

Two rockets, A and B, approach the Earth from opposite directions at speed 0.8c. The length of each rocket measured in its rest frame is 100 m. What is the length of rocket A as measured by the crew of rocket B?

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