what work is said to be done to increase the velocity of a car from 15km/hr to 30km/hr if the mass of car is 1000 kg
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Ek=1/2 mv2
=1/2*1000*15*15
=112500 joule
=112.5 joule
=1/2*1000*15*15
=112500 joule
=112.5 joule
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