Recent content by dkoppes

Gravitational potential

I did try that, but I still couldn't figure it out, that was one of the methods that I tried.

Homework Statement A pendulum is formed from a small ball of mass m on a string of length L. As the figure shows, a peg is height h = L/3 above the pendulum's lowest point. From what minimum angle must the pendulum be released in order for the ball to go over the top of the peg without...