what is the work to be done to increase the velocity of a call from 30 kilometres per hour to 60 km per hour if we was of which car is 1500 kg
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use work done = (mv^2)/2
={1500kgx(60-30)km/h}
=(1500×30×1000)/3600kgm/s
= 1.5x10^4 J
={1500kgx(60-30)km/h}
=(1500×30×1000)/3600kgm/s
= 1.5x10^4 J
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