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A particle of mass m is moving with speed 2v and collides
with a mass 2m moving with speed v in the same direction.
After collision, the first mass is stopped completely while the
second one splits into two particles each of mass m, which
move at angle 45° with respect to the original direction.
The speed of each of the moving particle will be
(a) √2 v
(d) 2√√2 v
(b)
V
√2
V
(Ⓒ) (2√2)

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