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10-09-2014
Physics

Answered

A sprinter with a mass of 80 kg accelerates from 0 m/s to 9 m/s in 3 s. What is the runner's acceleration?

Answer :

10-09-2014

Acceleration = (change in speed) / (time for the change) = 9/3 = 3 m/s² .

His mass makes no difference.

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