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Maximum Speed of an Object without Breaking attached String?

A light string can support a tension of 250N before breaking. An object of mass 3.00kg is attached to the string and rotates in a cirlce of radius 0.750m on a horizontal frictionless table. What is the maximum speed of the object without breaking the string?

1 Answer

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  • Anonymous
    5 years ago
    Favorite Answer

    The tension (T) provides the centripetal force (mv²/r).

    At the point of breaking:

    250 = 3.00v² / 0.750

    v = 7.91m/s

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