A ball traveling with some velocity v hits another ball elastically which is stationary. What will happen to the system?
A. The stationary ball will start moving with a velocity v and the moving ball will come at rest
B. The stationary ball remains at rest and the moving ball starts moving in opposite direction
C. Both the balls become stationary
D. Both the balls start moving
Answer:A
A ball traveling with some velocity v hits another ball elastically which is stationary. What will happen to the system?
A. The stationary ball will start moving with a velocity v and the moving ball will come at rest B. The stationary ball remains at rest and the moving ball starts moving in opposite direction C. Both the balls become stationary D. Both the balls start moving