A body of mass `m_(1)` is moving with a velocity V. it collides with another stationary body of mass `m_(2)`. They get embedded. At the point of collision, the velocity of the system.

Options

A. Increases
B. Decreases but does not become zero
C. Remains same
D. Become zero

Answer

B

Explanation

By momentum conservation before and after collision
`m_(1)V+ m_(2) xx 0 = (m_(1) + m_(2))v rArr v= (m_(1))/(m_(1) + m_(2)) V`
i.e. Velocity of system is less than V.