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September 2, 2014

Homework Help: physics

Posted by Melissa on Sunday, May 20, 2012 at 2:20pm.

A 200m dash along a straight track was timed at 21.1 s by a timer located at the finish line who used the flash from the starters pistol to start the stopwatch. If the air temperature was 30.0c , what would the time have been if the timer had started the watch upon hearing the sound of the gun.

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