1) To create a “bounce” choose “Elastic Collision”, for a “stick” choose “Inelastic Collision. 2) Adjust the mass to match the tables provided. Maximum mass is 3 kg, so choose 1 kg for “m”, 2 kg for “2m”, 3kg for “3m”.
3) You can change the carts positions by dragging them, so that they do not move off the screen before you can pause the motion.
4) Using the situations specified by the three left columns on the attached tables fill out the attached tables. The first situation would look like this: