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Homework Statement
An athlete on a sled is moving with a speed of 3m/s across a pond with ice. If the total mass of the sled-athlete system is 95 kg, what magnitude of force is required to bring the sled to rest in 15 seconds?
Homework Equations
Force acting = change in momentum/time that takes for change to happen
The Attempt at a Solution
F = (95kg)/(3-0sec/15-0sec) = 19 N
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