Pleaee solve stepwise

Pleaee solve stepwise Engine of a 500 kg car delivers a power of 40000 Joule/sec which remains constant as the car starts from rest and accelerates on horizontal road. Find the acceleration of the car when it speed becomes 10 m/s (Ignore frictional loss) 1 K.E of car = and workdone by engine 2 in any time internal increase in its K.I

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