Question

A smooth sphere of mass M moving with velocity u directly
collides elastically with another sphere of mass m at rest.
After collision, their final velocities are V and v respectively.
The value of v is
(a)2uM/m
(b)2um/M
(c)2u/1+m/M
(d)2u/1+M/m

Answer 1

Answer:

(b)2um/M

Explanation:

here is your answer. ....

hope it will help you.....

Answer 2

option b is correct............

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