Pathfinder Impulse & Momentum MCQ 3

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India Santosh Sir IITK (Apex Physics)
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A boy of mass 50 kg is standing at one end of a 9.0 m long boat of mass 100 kg that is floating motionless on a calm lake. The boy walks to the other end of the boat and stops there. The boat also moves and finally stops due to water resistance. If force of water resistance is proportional to velocity of the boat relative to the water, what is the magnitude of the net displacement s of the boat ?



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