Asked by Anonymous

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?

13 years ago

Answered by Steve

forget the 2nd car.

p = mv
You have m and v.

13 years ago

Answered by Anas

100

9 years ago

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