A ball with a mass of #9 kg# moving at #14 m/s# hits a still ball with a mass of #18 kg#. If the first ball stops moving, how fast is the second ball moving?
2 Answers
Dec 23, 2015
If the second ball is in rest before collision then after collision velocity of the second ball is 7m/s.
Dec 23, 2015
Explanation:
by conservation of linear momentum
9 x 14 + 18 x 0 = 9 x 0 + 18 x
therefore