A 5000-kg freight car runs into a 10,000-kg freight car at rest. They couple upon collision and move with a speed of 2 m/s. What was the initial speed of the 5000-kg car?
Answers
Answered by
0
Answer:
use the law of conservation of linear momentum
in this case, the law can be modified as
m1v1+ m2v2= (m1+ m2)v
Explanation:
Answered by
0
Answer:
Explanation:
2/3 m/s.
Similar questions