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Question 22 A bicycle and rider going 14 m/s approach a hill. Their total mass is 77 kg. (a) What is their kinetic energy? (b)

Question 22

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A bicycle and rider going 14 m/s approach a hill. Their total mass is 77 kg. (a) What is their kinetic energy? (b) If the rider coasts up the hill without pedaling, how high above its starting level will the bicycle be when it finally rolls to a stop? m

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