Question
A 2 kg object moving at 6 m/s sticks to a 4 kg object at rest. What is their common velocity?
Select an option. Your answer will be checked instantly.
Correct Answer: A. 2 m/s
Explanation:
Conserve momentum: 2×6 = (2+4)v.
V=12/6 = 2 m/s.
Leave a Reply