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An 80 kg skateboarder going 10 m / s is launched nearly vertically off a ramp as shown. Approximately how high does he go in

An 80 kg skateboarder going 10 m / s is launched nearly vertically off a ramp as shown. Approximately how high does he go in meters? You should be able to solve this using energy related formulas instead of kinematic equations. (Assume air friction is negligible.)

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Authors: Dale Varberg, Edwin J. Purcell, Steven E. Rigdon

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