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January 31, 2015

January 31, 2015

Posted by **Walsh** on Tuesday, August 9, 2011 at 10:53pm.

(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 11:29pmyou 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 11:49pmTwo 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 head-on 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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