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a solid aluminum cube measuring 15 inches on a side is melted and rolled into an aluminum wire tat is 0.2 inches in diameter. what will be the length of this wire?

  • geometry -

    volume of original cube = 15^3 cubic inches
    = 3375 cubic inches

    The volume should stay the same.
    Think of the wire as a "long" cylinder.
    πr^2 h = 3375
    π(.1^2)h = 3375
    h = 3375/(.01π) = appr. 107430 inches
    or appr. 8952 ft

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