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System has a velocity u = +0.56c relative to system S,as shown in the figure.The clocks of S and
are synchronized at t =
= 0 when the origins O and
coincide.An event is observed in both systems.The event takes place at x = 800 m and at time t = 3.0 μs as measured by an observer in S.What is the time
of the event,measured by an observer in
?
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