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Rotational kinetic energy: a solid uniform disk of diameter 3. 20 m and mass 42

Rotational kinetic energy: a solid uniform disk of diameter 3. 20 m and mass 42 kg rolls without slipping to the bottom of a hill, starting from rest. If the angular speed of the disk is 4. 27 rad/s at the bottom, how high (in meters) did it start on the hill?.
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haileysolis5
haileysolis5
4,9(93 marks)

54%

Explanation:

3780/7000=.54

.54*100%= 54%

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