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JEE Main Physics question

PhysicsWork, Energy and PowerJEE Main

A car of mass m is driven with an acceleration a along a straight level road against a constant external resistive force R. When the velocity of the car is v, the rate at which the engine of the car is doing work will be [BVP 2009]

Answer: (C)

Solution

Net driving force from the engine = R + ma (overcoming resistance and

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Question ID VK-153636