You must show all work including a rough sketch, data listing, equation, substitution and final answer with units and correct number of significant figures. You may find it easier to simply print this out and write out your work or simply write your work with correct question numbers. You can scan your work into a pdf or upload it as an image. Your written work is preferred over typed work. This assignment is worth 30 points. 1. Fig shows a toy roller coaster cart in a model at different positions during the ride. The gravitational potential energy, kinetic energy and the mechanical energy are represented different points in the ride. Assume no non-conservative forces are present. Fill in the missing values and show work on how you got there. (4 points)