A high-diver of mass 70 kg jumps off a board 10 m above the
A high-diver of mass 70 kg jumps off a board 10 m above the water. If, 2 s after entering the water his downward motion is stopped, what average upward force did the water exert on him?
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a high-diver of mass 70 kg jumps off a board 10 m above the water if 2 s after entering the water his downward motion
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