Posted by Walsh on Tuesday, August 9, 2011 at 10:53pm.
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 initial velocity of −24 m/s. The two balls make a headon elastic collision with each other.
(1)What is the final velocity of the 44 kg ball?
(2)The final velocity of the 86Kg ball?
Answer in units of m/s

College Physics  bobpursley, Tuesday, August 9, 2011 at 11:29pm
you will have to use conservation of momentum; and energy. See this one as an example..
http://www.jiskha.com/display.cgi?id=1312940695

Physics  Eddy, Tuesday, August 9, 2011 at 11:49pm
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 initial velocity of −24 m/s. The two balls make a headon elastic collision with each other.
(1)What is the final velocity of the 44 kg ball?
(2)The final velocity of the 86Kg ball?
Answer in units of m/s
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