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    Sharpay21355's Avatar
    Sharpay21355 Posts: 4, Reputation: 1
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    #1

    Oct 2, 2011, 05:56 PM
    Physics Question
    Tarzan tries to cross a river by swinging from one bank to the other on a vine that is 12.2 m long. His speed at the bottom of the swing is 8.6 m/s. Tarzan does not know that the vine has a breaking strength of 1.0 * 10^3 N. What is the largest mass that Tarzan can have and still make it safely across the river?
    Unknown008's Avatar
    Unknown008 Posts: 8,076, Reputation: 723
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    #2

    Oct 2, 2011, 11:03 PM
    The point where the tension in the vine is highest is when Tarzan is at the lowest point. Find the centripetal force required, find the weight of Tarzan and find the resultant force, using:

    Tension = Centripetal Force + Weight

    Then find the force that Tarzan can still carry (if he can).
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