What is the work to be done to increase the v of a car from 30km h_1 to 69h_1 if the mass of the car is 1500kg
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11th
Physics
Work, Energy and Power
Work Energy Theorem
What is the work to be done...
PHYSICS
What is the work to be done to increase the velocity of a car from 30 km h−1 to 60 km h−1 If the mass of the car is 1500 kg?
December 26, 2019Elina Hargude
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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
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