91 A boy and a block both of same mass are suspended at the

Last updated: 6/19/2023

91 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 starts moving upwards with an acceleration 2 5 m s relative to the rope If the block is to travel a total distance 10 m before reaching at the pulley the time taken by the block in doing so is equal to a 8 s c 10 5 S b 4 s d 8 s m 3 10 m 96 Figure show for lifting a is lifted by in case 2 the other F 2 mg of the tv pulley is