Work Energy And Power Question 103
Question: A billiard ball moving with a speed of 5 m/s collides with an identical ball originally at rest. If the first ball stops after collision, then the second ball will move forward with a speed of [SCRA 1998]
Options:
A) $ 10m{s^{-1}} $
B) $ 5m{s^{-1}} $
C) $ 2.5m{s^{-1}} $
D) $ 1.0m{s^{-1}} $
Show Answer
Answer:
Correct Answer: B
Solution:
In elastic head on collision velocities gets interchanged.
