Two balls have masses 18 kg and 47 kg. The 18 kg ball has an initial velocity of 76 m/s (to the right) along a line joining the two balls and the 47 kg ball is at rest. They make a head-on elastic collision with each other. What is the final velocity of the 18 kg ball?
Answers: 1
= 42.09 
= 18 kg
= 47 kg
= 76 
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Two balls have masses 18 kg and 47 kg. The 18 kg ball has an initial velocity of 76 m/s (to the righ...
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