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A simple pendulum has a bob of mass m an...

A simple pendulum has a bob of mass m and string of length R. The bob is projected from lowest position giving it a horizontal velocity just enough for it to complete the vertical circle. Let the angular displacement of the pendulum from its initial vertical position be represented by `theta`. Plot the variation of kinetic energy (kE) of the bob and the tension (T) in the string with `theta`. Plot the graph for one complete rotation of the pendulum.

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