Pre Calculus

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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?

  • Pre Calculus -

    "The strength of a cable is proportional to the square of its diameter."
    A 2-cm cable has a diameter of 2 cm, and a 3-cm cable has a diameter of 3 cm.
    If a 2-cm cable supports 800kg, so a 3-cm cable supports:
    800*(3/2)²
    =?

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