the work done to increase the velocity of a car from 30m/s to 40m/s,if the mass of the car is 1000kg is
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Work done = Change in Kinetic energy
= 0.5 m (v^2 - u^2)
= 0.5 × 1000 kg × [(40 m/s)^2 - (30 m/s)^2]
= 350 000 Joule
= 350 kilojoules
350 kilojoules of Work is done.
= 0.5 m (v^2 - u^2)
= 0.5 × 1000 kg × [(40 m/s)^2 - (30 m/s)^2]
= 350 000 Joule
= 350 kilojoules
350 kilojoules of Work is done.
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