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March 31, 2015

Homework Help: physics

Posted by James on Tuesday, August 9, 2011 at 8:44pm.

Two balls have masses 44 kg and 86 kg. The
44 kg ball has an initial velocity of 80 m/s (to
the right) along a line joining the two balls
and the 86 kg ball is at rest. The 86 kg
ball has in initial velocity of −24 m/s. The
two balls make a head-on elastic collision with
each other.
44 kg
80 m/s
86 kg
−24 m/s
What is the final velocity of the 44 kg ball?

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