A particle experiences a perfectly elastic collision with a stationary particle. Determine the ratio of their masses, if after this head-on collision, the particles fly apart in opposite directions with equal speeds.

A particle experiences a perfectly elastic collision with a stationary

1.	A particle experiences a perfectly elastic collision with a stationary particle. Determine the ratio of their masses, if after this head-on collision, the particles fly apart in opposite directions with equal speeds.
Answer» ANSWER :`m _(1) : m _(2) = 1:3`