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25-01-2018
Physics

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A tennis ball weighs 2 kg and is traveling at 10 meters per second. What is the tennis ball’s kinetic energy? Find the exponent first and then solve Question 2 options: 10 J 20 J 100 J 200 J

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satishsolanki1p34q6g satishsolanki1p34q6g

25-01-2018

Kinetic energy = 1/2 * mass* speed^2
= 1/2 * 2* 10*10
= 100 J

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