Posted by **Lucy** on Tuesday, October 26, 2010 at 8:33pm.

Ball 1, with a mass of 180 g and traveling at 18 m/s, collides head on with ball 2, which has a mass of 370 g and is initially at rest

(a) What are the final velocities of each ball if the collision is perfectly elastic?

(b) What are the final velocities of each ball if the collision is perfectly inelastic?

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