Catching a wave, a 77-kg surfer starts with a speed of 1.3 m/s, drops through a height
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Catching a wave, a 77-kg surfer starts with a speed of 1.3 m/s, drops through a height of 1.65 m, and ends with a speed of 8.2 m/s. How much nonconservative work was done on the surfer?
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