A conveyed belt of length lis moving with velocity v.a block of mass is pushed against
Channel: Doubtnut
Date: 2020-04-12

A conveyed belt of length lis moving with velocity v.a block of mass is pushed against the motion of conveyed belt with velocity `v_(0)` form end B Co- efficient of friction between block and belt is u the value of `v_(0)` so that the amount of heat liberated as a result of retardation of the block by conveyed belt is maximum is