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What is the work to be …

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What is the work to be done to increase the velocity of a carfrom 30 km/hr to 60km/hr if the mass of the car is1500 kg.
  • 1 answers

Hrushikesh Sahu 5 years ago

Work done is equal to change in kinitic energy. 1/2mu(square)-1/2mv(square) 1/2×(1000/3600)sq×{v(sq)-u(sq)} 1/2×(5/18)sq×(60sq-30sq) =1/2×5/18×5/18×2700 =156250j(Ans:-)
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