A ball of mass 0.5kg moving at 10ms-1 collides with anoth...
A ball of mass 0.5kg moving at 10ms-1 collides with another ball of equal mass at rest. If the two balls move off together after the impact, calculate their common velocity.
0.2ms-1
0.5ms-1
5.0ms-1
10.0ms-1
20.0ms-1
Correct answer is C
No explanation has been provided for this answer.