A trolley is pushed so that its speed rises from to

PHYSICS · Single correct · CBSE · Physics · Work, Energy and Power · Work, Energy and Power

Problem

A 2 kg2\,\text{kg} trolley is pushed so that its speed rises from 5 m/s5\,\text{m/s} to 15 m/s15\,\text{m/s}. Calculate the net work done on the trolley. (a) −200 J-200\,\text{J} (b) 100 J100\,\text{J} (c) 200 J200\,\text{J} (d) 400 J400\,\text{J}

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