K Kagomepwndu New member Oct 26, 2010 #1 A 8,000 kg railroad car is rolling at 1.0 m/s when a 4000 kg load of gravel is suddenly dropped in. What is the car's speed just after the gravel is loaded?
A 8,000 kg railroad car is rolling at 1.0 m/s when a 4000 kg load of gravel is suddenly dropped in. What is the car's speed just after the gravel is loaded?