A boy and a block, both of same mass, are suspended at the same horizontal level, from each end
Channel: Doubtnut
Date: 19/01/2020

A boy and a block, both of same mass, are suspended at the same horizontal level, from each end of a light string that moves over a frictionless pulley as shown. The boy start moving upward with an acceleration `2.5m//s^(2)` relative the rope. If the block is to travel a total distance 10m before reaching at the pulley, the time taken by the block in doing so is equal to: