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01-04-2017
Physics

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A girl on a motorbike passes by at a speed of 15 m/ sec. her mass is 40 kg. what is her kinetic energy

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Аноним Аноним

01-04-2017

KE = 1/2 * m* v^2
= 1/2 * 40 * 225
= 4500 J

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