Please label any formulas used

7 2. 95 = ousvest. Vig = 590mls 79. [not from book] A cart of mass M was moving at velocity 3V when it collided elastically with a second cart, moving on the opposite direction at speed V. After the collision, the first cart recoils at its initial speed, 3V (but in the opposite direction). Figure out everything you can about the second cart. [There's more than one way to do this so explain your work.] M