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July 30, 2014

Homework Help: physics

Posted by Fabiana on Saturday, May 21, 2011 at 5:02pm.

A ball of mass Ml = 0.250 kg and velocity V01 = +5.00 m/s (see Figure) collides head-on with a ball of mass
M2 = 0.800 kg that is initially at rest. No external forces act on the balls. a) What was the kinetic energy of the first ball before the collision; b) If the collision is completely inelastic, what are the velocities of the balls after collision?

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