What's the correct option?

A billiard ball moving at 2.2 m/sstrikes a second billiard ball at rest and continues at 45* from its original direction, while the other moves at -45 from the same original direction. Both billiard balls have the same mass. Find the speed of the second billiard ball 0 0.78 m/s 0 1.1 m/s O 1.6 m/s O 3.1 m/s 21 22 23 24 25 26 27 28 29 30 Next