What work is said to be done to increase the velocity of a car from 15 km/h to 30 km/h, if the mass of the car is 1000 kg?

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Muskan Anand

2 years ago

Given:- u=15km/h v=30km/h Mass=1000 kg W=? W=K.E.=21​m(v2−u2) =21​×1000×((30)2−(15)2) =21​×1000(900−225) =21​×1000(675) K.E.=337500J ∴ Work done =337500 Joule.

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