A marathon runner completes a 42.188-km course in 2 h, 30 min, and 12 s. There is
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A marathon runner completes a 42.188-km course in 2 h, 30 min, and 12 s. There is an uncertainty of 25 m in the distance traveled and an uncertainty of 1 s in the elapsed time.
(a) Calculate the percent uncertainty in the distance.
(b) Calculate the uncertainty in the elapsed time.
(c) What is the average speed in meters per second?
(d) What is the uncertainty in the average speed?
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a To calculate the percent uncertainty in the distance we divide the uncertainty in the distance by ...View the full answer
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