The Length of a Meter Stick Moving at 0

question 23

Multiple Choice

The length of a meter stick moving at 0.95c in the direction of its length is measured by simultaneously marking its ends on a stationary axis. As measured by clocks moving with the stick, the time interval between the making of the back mark and the making of the front mark is:

• A) 0
• B) 3.1 * 10^-10 s
• C) 1.0 * 10^-9 s
• D) 3.2 *10^-9 s
• E) 1.0 *10^-8 s

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