Recent content by chris787

sorry about that! i had two versions of the question and I copied the wrong one. It is .11kg moving at 15 m/s, I will change the main post to reflect that. So far my attempt at plugging in the first equation into the second has been this: (I was told by my professor to drop the units at this...

Homework Statement Ball 1, with a mass of 110g and traveling at 15m/s , collides head on with ball 2, which has a mass of 350g and is initially at rest. What are the final velocities of each ball if the collision is perfectly elastic? Homework Equations Conservation of momentum: m1u1 +...