Asked by John

A 0.34 kg pendulum bob is attached to a string 1.2 m long. What is the change in the gravitational potential energy of the system as the bob swings from point A to point B, where θ = 37°?
Answered by bobpursley
Not knowing the positions of A or B....
Answered by John
sorry my bad. point a and b are the bottom of the pendulum.
Answered by John
anyone??
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