Question

A particle of mass m moving eastward with a speed v collides
with another particle of the same mass moving northward
with the same speed v. The two particles coalesce on
collision. The new particle of mass 2m will move in the northexternal
direction with a velocity :
(a) v/2 (b) 2v
(c) v / √2 (d) None of these

Answer 1

Answer:

The answer is option (b)

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