SOLUTION: the weight of a cylindrical metal varies jointly as its length Land the square of the diameter d of its base if w=6kg when L=6cm and d=3cm find the equation of the variation.

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Question 932832: the weight of a cylindrical metal varies jointly as its length Land the square of the diameter d of its base if w=6kg when L=6cm and d=3cm find the equation of the variation.
Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
the weight of a cylindrical metal varies jointly as its length Land the square of the diameter d of its base if w=6kg when L=6cm and d=3cm find the equation of the variation.
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w = k*L*d^2
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6 = k*6*3^2
6 = 54k
k = 1/9
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Equation of variation:
w = (1/9)*L*d^2
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Cheers,
Stan H.
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