A mass $'m'$ moves with a velocity $'v'$ and collides inelastically with another identical mass in rest. After collision the $I^{st}$ mass moves with velocity $\frac{v}{{\sqrt 3 }}$ in a direction perpendicular to the initial direction of motion. Find the speed of the $2^{nd}$ mass after collision

$A$ particle moving with kinetic energy $= 3$ joule makes an elastic head on collision with a stationary particle which has twice its mass during the impact.

In the above question, if another body is at rest, then velocity of the compound body after collision is

Four particles $A, B, C$  and $D$  of equal mass are placed at four corners of a square. They move with equal uniform speed  $v$  towards the intersection of the diagonals. After collision, $A$  comes to rest, $B$ traces its path back with same speed and $C$ and $D$ move with equal speeds. What is the velocity of $C$  after collision

Two equal masses ${m_1}$ and ${m_2}$ moving along the same straight line with velocities $+ 3 \,m/s$ and $-5\, m/s$ respectively collide elastically. Their velocities after the collision will be respectively

A ball hits the floor and rebounds after inelastic collision. In this case