Question: A friend passes by you in a spacecraft traveling at a high speed. He tells you that his craft is 20.0 m long and that

A friend passes by you in a spacecraft traveling at a high speed. He tells you that his craft is 20.0 m long and that the identically constructed craft you are sitting in is 19.0 m long. According to your observations,
(a) How long is your spacecraft?
(b) How long is your friend’s craft, and
(c) What is the speed of your friend’s craft?

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