February 21, 2017

Homework Help: Physics

Posted by Ashley on Monday, January 17, 2011 at 4:31pm.

Time intervals measured with a stopwatch typically have an uncertainty of about 0.2 s, due to human reaction time at the start and stop moments. What is the percent uncertainty of a handtimed measurement of (a) 5 s, (b) 50 s, (c) 5 min?

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