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December 20, 2014

December 20, 2014

Posted by **Anonymous** on Sunday, March 10, 2013 at 3:17pm.

- physics -
**bobpursley**, Sunday, March 10, 2013 at 3:42pmYou will have to solve this in two directions of momentum.

let the intial direction be x.

You know the intial momentum, and masses, and let the final be vwhite'x and vblack'x

the initial momentum in the y directtion is zero, so the sum of the final y momentums is zero, which leads to

vwhite'y=-vblack'y

With those two equations, and the angles, you can solve for the final velocities

- physics -
**felix**, Tuesday, March 12, 2013 at 4:28pmA cue ball rolling across a pool table at 5.7 m/s collides with a stationary eight ball of equal mass. The cue ball stops after the collision. What is the velocity of the eight ball after the collision?

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