Physics, asked by szabbas371, 11 months ago

what is the work done to increase the velocity of a car from 30km/hr to 60km/hr. if the mass of the car is 1500kg.

Answers

Answered by aditizala

2

Initial velocity u=30 km/h=30×185=325 m/s

Final velocity v=60 km/h=60×185=350 m/s

Mass m=1500 kg

Work done W=21mv2−21mu2

⟹ W=2m(v2−u2)=21500×((350)2−(325)2)=156187 J

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