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A simple pendulum of length(L) 0.850m has a mass(M) of 0.200kg. find the tension of the string when it is at an angle of 12.5. As well as find the component of the weight of M that is directed along the arc of the motion of M. Finally is the length is unchanged but the mass is equal to 0.500kg find the period T of the pendulum that is independent of the angle.

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