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    Circular Motion

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    A kid swings from a rope 8.5 m long on a stationary pole on a playground. His body mass is 70 kg and he is moving 6.0 m/s when he passes through the lowest part of his path.
    What is the tension in the rope at the lowest part of his path?
    When he reaches the highest point, what angle does the rope make with the vertical?

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    Solution Preview

    At the lowest part the forces acting are
    Gravitational force downwards
    Tension in the rope upwards
    The net force = Tension - mg provides the centripetal force = m v^2/r for the kid to ...

    Solution Summary

    Calculates the tension in the rope and the angle that the rope make with the vertical.