phys question Relativity 8

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Description

A space ship traveling east flies directly over the head of an inertial observer who is at rest on the earth's surface. The speed of the space ship can be found from this relationship: .

Reference: Ref 28-5
The navigator's on-board instruments indicate that the length of the space ship is 20 m. If the length of the ship is measured by the inertial earth-bound observer, what value will be obtained?

Question 8 options:

2) 80 m

3) 20 m

4) 40 m

5) 10 m

 = Ref #.

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Explanation & Answer

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L' = L/gamma = L*sqrt(1-(v/c)^2)= L/2 = 10 m, answer is 5)

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Anonymous
Just what I was looking for! Super helpful.

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