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Energy and speed in circular motion.

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A pendulum is pulled over by a distance R.
The pendulum has a mass of 15.1kg

1) Compute the work done by pulling the pendulum to this point. Next the pendulum is given a push so it circles its neutral position along the radius R.

2) Find the kinetic energy of the circling pendulum

The length of the string is "l" and R is the distance of the pendulum from the place it would be at rest

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Solution Summary

The solution explains how to derive the physical quantities required by using simple motion and conservation of energy laws. The solution is 4 pages long including full derivations and figures.

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