Question

52. A box of mass m is placed on the truck of mass
M. The truck is moving with a constant velocity v
on a straight horizontal road. There is no sliding of
mass m with respect to truck. Suddenly the truck
met with an accident and stops immediately. The
velocity of box just after the impact is
m
M
> V
V
V v=0
(1)
(M + m)
m
(2)
V
m
(3) v
(4)
V
M
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Answer 1

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