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December 28, 2014

Homework Help: Physics

Posted by Khan on Wednesday, December 5, 2012 at 11:30am.

A high diver of mass 68.2 kg jumps off a board 10.4 m above the water.
The acceleration of gravity is 9.8 m/s2 .
If his downward motion is stopped 3.58 s after he enters the water, what average upward force did the water exert on him?
I already calculated that his velocity before hitting the water is 14.277 m/s.

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