Question #6426071Single Choice
Physics
Question
A 3 kg ball moving at 4 m/s collides with a 2 kg ball moving at -3 m/s. If the collision is perfectly elastic, what is the velocity of the 3 kg ball after the collision?
Options
A
2 m/s
B
4 m/s
C
-1.6 m/s
D
-2 m/s