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Please answer this question I will make you brainliest |
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Answer» mass of truck= 1000 kg initial speed of truck= 36 km/h= 10 m/s FINAL speed of truck= 72 km/h= 20 m/s Initial KINETIC energy of truck= 1/2 *1000*10*10 = 50000 J Final kinetic energy of truck= 1/2 *1000*20*20 = 200000 J Increase in the kinetic energy of truck= final K.E. - initial K.E. = 200000-50000 = 150000 J |
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