Question

A man weighing 80 kg is standing in a
trolley weighing 320 kg. The trolley is
resting on frictionless horizontal rails. If
the man starts walking on the trolley with
a speed of 1 m / s, then after 4 sec his
displacement relative to the ground will
be
(a)
(c)
5 m
3.2 m
(b)
(d)
4.8 m
3.0 m
​

Answer 1

Answer:

ANSWER IS-A -5M/S AND ALL OTHER ANSWER ARE WRONG