A man weighing `80 kg` is standing on a trolley weighting `320 kg`. The trolley is re
Channel: Doubtnut
Date: 2020-01-19

A man weighing `80 kg` is standing on a trolley weighting `320 kg`. The trolley is resting on frictionless horizontal rails. If the man starts walking on the trolley along the rails at speed `1 m//s` (w.r.t. to trolley) then after `4 s` his displacement relative to the ground will be :