You are an observer on Earth and observe a very fast spacecraft go by with me on board. Who is able to measure the prope

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answerhappygod
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You are an observer on Earth and observe a very fast spacecraft go by with me on board. Who is able to measure the prope

Post by answerhappygod »

You are an observer on Earth and observe a very fast spacecraft
go by with me on board. Who is able to measure the proper length of
my spacecraft?
a.) you b.) me c.) both of us d.) neither of us
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