A skateboarder of mass 70.0 kg approaches the top of a hill at a velocity of...

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A skateboarder of mass 70.0 kg approaches the top of a hill at a velocity of 2.0 m/s. The hill is 10.0 m high. Determine his final velocity at the bottom of the hill if he coasts from the top to the bottom of the hill. Assume his skateboard bearings are frictionless and air resistance is negligible. A skateboarder of mass 70.0 kg approaches the top of a hill at a velocity of 2.0 m/s. The hill is 10.0 m high. Determine his final velocity at the bottom of the hill if he coasts from the top to the bottom of the hill. Assume his skateboard bearings are frictionless and air resistance is negligible.