Home /
Expert Answers /
Physics /
40-identical-balls-are-rolling-along-a-straight-line-they-all-have-speed-equal-to-v-but-some-of-pa143
(Solved): 40 identical balls are rolling along a straight line. They all have speed equal to V, but some of ...
40 identical balls are rolling along a straight line. They all have speed equal to , but some of them might move in opposite directions. When two of them collide they immediately switch their direction and keep the speed . What is the maximal number of collisions that can happen?
Expert Answer
Whenever two balls collide the direction of their velocities will become opposite and remain same in manitude(v), i.e the ball going left w