A friend speeds by you in her spacecraft at a speed of 0.720c. It is measured in
Question:
A friend speeds by you in her spacecraft at a speed of 0.720c. It is measured in your frame to be 4.80 m long and 1.35 m high.
(a) What will be its length and height at rest?
(b) How many seconds elapsed on your friend's watch when 20.0 s passed on yours?
(c) How fast did you appear to be traveling according to your friend?
(d) How many seconds elapsed on your watch when she saw 20.0 s pass on hers?
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Step by Step Answer:
a The measured length is the contracted length We find the rest length ...View the full answer
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