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Asked by Mindy

The strength of a cable is proportional to the square of its diameter. If a 2-cm cable will support 800kg, how much will a 3-cm cable support?
15 years ago

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Answered by bobpursley
T=constant*dia^2

800=k*2^2
T3=k*9

divide one equation by the other

T/800= 9/4
solve for T

15 years ago
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The strength of a cable is proportional to the square of its diameter. If a 2-cm cable will support 800kg, how much will a 3-cm cable support?

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