Answer to Question #52653 in Physics for john

Question

A particle of mass 5 kg, moving at 2 m/s, collides with a particle of mass 8 kg initially at rest. If
the collision is elastic, find the velocity of each particle after the collision
a) if the collision is head-on.
b) if the first particle is defected 50o
from its original direction of motion. Express all directions relative to
the direction of the incoming particle.