Physics, 18.11.2019 18:31, smusisca53

Asled and rider with a combined mass of 70 kg are at the top of a hill of height 9 m above the level ground below. the sled is given a push providing an initial kinetic energy of 1200 j at the top of the hill. what will be the kinetic energy of the sled and rider at the bottom of the hill, if friction can be ignored?

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Asled and rider with a combined mass of 70 kg are at the top of a hill of height 9 m above the level...