SSC
PHYSICS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What is the kinetic energy of a 9 kg book that has a speed of 4 m/s?
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18 J
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36 J
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72 J
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144 J
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Explanation:
Detailed explanation-1: -Answer and Explanation: K=12mv2=12(10 kg)(4 m/s)2=80 J.
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