Momentum and CollisionHard
Question
A uniform rope of linear mass density λ and length l is coiled on a smooth horizontal surface. One end pulled up with constant velocity v, Then the average power applied by the external agent in pulling the entire rope just of the ground is :
Options
A.
λlv2 + 
λlv2 + B.λlgv
C.
λv3 + 
λv3 + D.λlgv + λv3
λv3
λv3 + 
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