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Hooke's Law. The distance d when a spring is stretched by a hanging object varies directly as the weight w of the object. If the distance is 64cm when the weight is 3kg, what is the distance when the wight is 9kg?

  • math -


    Use the first set of data to find k, k=W/d

    Then, use that k to find the second distance...

    distance= k * w

    I know you are in a math class, and the teacher probably doesn't know, but kg is not a unit of weight, but of mass. Mass only has weight under the influence of gravity, and varies with location and altitude.

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