A 15,000kg railroad car moving at 7m/s to the right collides and sticks to another railroad car with a mass of 17,000kg that is moving in the same direction at 1.5m/s.
What is the velocity of the joined cars after the collision?

“when two plates carrying continents collide, the continental crust buckles and rocks pile up, creating towering mountain ranges. when an ocean plate collides with another ocean plate or with a plate carrying continents, one plate will bend and slide under the other. this process is called subduction. “ i found this on google i hope it

Fitness is the ability to perform only very light levels of physical activity.