Results . Report the results of your experiment in complete sentences using your calculated numbers, you should also include you numbers in table. You should place your graphs with captions in this section as well. At minimum, your table should have the following columns: mass for each cart, velocities before and after collision, momentum before and after, kinetic energy before and after. Don't forget to include units, significant figures and uncertainties. . Compare the initial and final K and P for both collisions, including your propagated error in the comparison