Homework Help: physics

Posted by Anonymous on Monday, February 27, 2012 at 12:08pm.

a 9000 kg railroad car moving at 3 m/s strikes a stationary 5000 kg railroad car .what is the momentum of the 9000 kg railroad car before the collision?

physics - Steve, Monday, February 27, 2012 at 4:41pm
forget the 2nd car.

p = mv
You have m and v.

Answer this Question

Related Questions

physics - A 1.30 × 10 4 kg railroad car moving at 6.70 m/s to the north ...
Physics - A 1.46 × 10 4 kg railroad car moving at 7.05 m/s to the north ...
Physics - A 40,000 kg railroad car initially traveling at 10 m/s collides ...
Physics - A 40,000 kg railroad car initially traveling at 10 m/s collides ...
Physics - A 40,000 kg railroad car initially traveling at 10 m/s collides ...
Physics - A 40,000 kg railroad car initially traveling at 10 m/s collides ...
Physics - A 40,000 kg railroad car initially traveling at 10 m/s collides ...
Physics - A 40,000 kg railroad car initially traveling at 10 m/s collides in ...
Physics - A 40,000 kg railroad car initially traveling at 10 m/s collides in ...
physics - A railroad car of mass 2500 kg moving at 5.00 m/s collides and couples...

For Further Reading

First Name:
School Subject:
Answer: