calculate the work required to be don to stop a carof 1500kg moving at a speed of 54km/h
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Velocity of car=54 km/hr= 5*54/18 m/s= 15 m/s
Mass= 1500 kg
Work= Change in kinetic energy= 1/2 * 1500 * 225 J= 750*225 J= 168750 J= 168.75 kJ
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