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7 August, 02:40

An object is constrained by a cord to move in a circular path of radius 0.5 m on a horizontal frictionless surface. The cord will break if its tension exceeds 16 N. The maximum kinetic energy the object can have is:

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  1. 7 August, 06:22
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    4J

    Explanation:

    Centripetal Force = mv^2/r

    The radius is 0.5, so CF = 2mv^2

    2mv^2 = 16N

    mv^2 = 8

    Kinetic Energy = 1/2mv^2

    KE = 1/2 (8)

    KE = 4J
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