Pathfinder Methods of Work and Energy MCQ 8

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India Santosh Sir IITK (Apex Physics)
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Q.8.

A raindrop of mass m at a height h starts from rest and initially accelerates under gravity. Due to viscous drag of air, its motion is resisted and finally it acquires a constant terminal velocity Vt and hits the ground. Neglect the buoyancy; denote acceleration due to gravity by g and assume no wind. The magnitude of average viscous force on the rain drop during the entire downward trip is



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