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A 31.8 kg child swings on a rope with a length of 6.12 m that is hanging from a tree. At the bottom of the swing, the child is moving at a speed of 4.2 m/s. What is the tension in the rope?

  • Physics -

    Add the child's weight (M g) to M V^2/R, the centripetal force required by the motion.

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