# physics

Ball 1 is moving to the right at speed Vo when it collides with ball 2 - is initially at rest. After the collision, ball 1 's initial KE decreases by 80% and has a velocity at an angle of 40 degress below the horizontal.

what fraction of the initial KE does ball 2 have after the collision?

1. 👍 0
2. 👎 0
3. 👁 36

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