xample 11.4 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?
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Answer:
156250 joule
Explanation:
According to the Work-Energy theorem or the relation between Kinetic energy and Work done - the work done on an object is the change in its kinetic energy. Hence, the work to be done to increase the velocity of a car from 30km/h to 60km/h is 156250 joule, if the mass of the car is 1500 kg.
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