# Calculating velocity in elastic collisions.

A ball of mass m1 = 31.00 grams moving at 15.20 m/s collides head-on with a stationary ball of mass m2 = 116.00 grams. The collision is elastic. What is the velocity of the first ball immediately after the collision?

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#### Solution Summary

The velocity in elastic collisions are calculated. The ball's velocity immediately after the collision is given.

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