57. An object of 10 kg is moving with a speed of 2 m/s. The kinetic energy of the object is A.20 J B.25 J C.10 J D.40 J

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Abhishek Mishra

2 years ago

Option A Solution: Kinetic energy = 1/2mv2 = 1/2*10*22 = 1/2*10*4 = 5*4 = 20 J

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