A) PE of gravity= m*g*h
m=mass of object
g=acceleration due to gravity
h= distance
mass= weight/gravity=4.383
PE=(4.383kg)(9.81 m/s^2)(1.7m)
PE=73.095 J
A 43 N toy is placed in a light swing that is attached to ropes 1.7 m long.
(a) Find the gravitational potential energy associated with the toy relative to its lowest position when the ropes are horizontal.
J
(b) Find the gravitational potential energy associated with the toy relative to its lowest position when the ropes make a 30° angle with the vertical.
J
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