Posted by **barbara** on Tuesday, November 29, 2011 at 9:56pm.

a railway freightbcar whose mass is 15 000kg & speed is 2.4m/s runs into a stationary freight car whose mass is 25 000kg. the 2 cars couple & roll off the track. what is the speed if the 2 cars as tey move together down the track? and how much kinetic energy is lost in the collision?

## Answer This Question

## Related Questions

- PHYSICS answer check - A group of 4 rail cars with a total mass of 50,000kg ...
- Physics - A freight train has two engines, each with a mass of 50,000kg, pulling...
- Physics - a 10,000kg boxcar rolling west at 60mph collides with an empty tanker ...
- Physics - In the railroad freight yard, an empty freight car of mass m rolls ...
- Psychics - A freight car is moving freely along a railroad track at 7.0 m/s and ...
- Physics - An automobile has a mass of 2000 kg and a velocity of +12 m/s. It ...
- physics - An automobile has a mass of 2150 kg and a velocity of +18 m/s. It ...
- Physics - A 24-ton freight car rolls along a straight track with a speed of ...
- physics - A locomotive is pulling 17 freight cars, each of which is loaded with ...
- Science - a 2000-kg car traveling at 8 m/s strikes a stationary car whose mass ...

More Related Questions