What is the work done to increase velocity of a car from 40 km per hour inverse to 60 km per hour inverse .lf the mass of the car is 2000kg?
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Answer:
Ans = 1500 kg
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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