An electron of b ! 0.999 987 moves along the axis of an
Chapter , Problem 8(choose chapter or problem)
An electron of b ! 0.999 987 moves along the axis of an evacuated tube that has a length of 3.00 m as measured by a laboratory observer S at rest relative to the tube.An observer S# who is at rest relative to the electron, however, would see this tube moving with speed v (! bc).What length would observer S# measure for the tube?
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