Table 2.4 Conservation of Mechanical Energy (using the 400-g added mass data) Kinetic Potenti Total Positi Mass Speed Height al Energy on Body/Object (kg) (m/s) (m) Mechanical () Energy () Energy () Cart and Load 0.6 0.627 108.11 0.30 1617 Initial Suspended 0.08 0.627 15.725 0.30 235.2 Mass Total 123.835 1852.2 1976.04 Cart and Load 0.90 0.431 83.205 0.30 2646 Final Suspended 0.08 0.431 7.43 0.30 235.2 Mass Total 90.02 2881.2 2971.22 Change in Energy -33.815 1029 995.18