(7%) Problem 8: Train cars are coupled together by being bumped into one another. Suppose two loaded train cars are moving toward one another, the first having a mass of 210000 kg and a velocity of 0.28 m/s in the horizontal direction, and the second having a mass of 72500 kg and a velocity of -0. 125 m/s in the horizontal direction. with Expert TA's Terms of Service, copying this information to any solutions sharing website is strictly forbidden. What is their final velocity, in meters per second? Grade Summary Vf Deductions 0% Potential 100% sin() cos() tan() T HOME Submissions Attempts remaining: 10 cotan() asin() acos() E (0% per attempt) atan() acotan() sinh() detailed view cosh() tanh() cotanh() END O Degrees O Radians BACKSPACE DEL CLEAR Submit Hint Feedback I give up