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QUESTION
Ted is traveling on his railroad car (see figure below) with speed 0.83c relative to Alice. Ted travels for 20 s as measured on his watch....
Ted is traveling on his railroad car (see figure below) with speed 0.83c relative to Alice. Ted travels for 20 s as measured on his watch.
http://www.webassign.net/giocp1/27-p-005.gif
(a) Who measures the proper time, Ted or Alice? .
