A 0. 50 kg ball traveling at 6. 0 m/s due east collides head on with a 1. 00 kg ball traveling in the opposite direction at -12. 0 m/s. After the collision, the 0. 50 kg ball moves away at -14. 0 m/s. Find the velocity of the second ball after the collision.

How does a circuit breaker protect a refrigerator? a. when the current is too high, a metal strip in the fuse melts and opens the circuit. b. when the resistance is too high , a re-settable which opens a circuit c. when the current is too high , a re-settable switch opens the circuit d. when the resistance is too high a metal strip in the fuse melts and opens the circuit