# Chapter 8 - Potential Energy and Conservation of Energy - Problems: 4a

Work= 1.51 Joules

#### Work Step by Step

$F_{g}$ acts downwards so only vertical displacements are taken into calculations. At its lowest point, the ball is perpendicular with the starting point, therefore it only traveled the vertical distance of L. L=.452m Work=$F_{g}$ $\times$ L---$F_{g}$= .341kg $\times$ 9.8m/$s^{2}$ $F_{g}$=3.3418 Work=3.3418 N$\times$.425m Work= 1.51 Joules

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