A ball with a mass of #6 kg# moving at #9 ms^-1# hits a still ball with a mass of #4 kg#. If the first ball stops moving, how fast is the second ball moving?
1 Answer
Jan 14, 2016
The total momentum before the collision,
Explanation:
Momentum is the product of the mass of an object and its velocity, and it is conserved : the total momentum before the collision is the same as the total momentum after it.
Before the collision, the
After the collision the