A pendulum bob with a mass of0.38kg is attached to a 1.5 m long string as shown.As the pendulum bob swings from point A, where the angle=32,topoint Bat the bottom of its arc, determine the change in the gravitational potential energy of the pendulum bob-earth system.

\fAPEy - AKE ,, 32 Wf : KE 32 1.5 y. = Cos(32)*15 y y: 1. 27 WF= IF| ~AY * Cos(6 F 1.5-1.27. 04 Fg Fg Dy : 0.23 m WA : IF . 0.23 Fg - (: 38) (9.8 = 3.724 x 0.23 - 0. 85652