Recent content by Brob

Thanks for the help.

I agree but would my reasoning have been correct if the coal was stationary reltive to the train?

Ok so the question is a freight car moves along a frictionless level railroad track at constant speed. The car is open on top. A large load of coal is suddenly dumped into the car. What happens to the velocity of the car? And I asked my teacher if the coal dumped in was stationary relative to...