A meter stick moving at a speed of 0.75 c moves past a stationary observer. The time it takes to pass by the stationary observer is

Name: A meter stick moving at a speed of 0.75 c moves past a stationary observer. The time it takes to pass by the stationary observer is
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Question

Quizplus · Accepted Answer

The length of the meter stick is contracted due to its high speed, so the observed length is L = L0 * sqrt(1 - v^2/c^2) = 1m * sqrt(1 - (0.75)^2) = 0.661m. The time to pass is t = L/v = 0.661m / (0.75 * 3x10^8 m/s) = 2.94 ns.

A Meter Stick Moving at a Speed of 0