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March 27, 2017

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A spherical balloon is being inflated so that its volume is increasing at the rate of 200 cm3/min. At what rate is the radius increasing when the radius is 15 cm.

  • Math - ,

    Volume increase rate = surface area*(radius increase rate)

    200 cm^3/min = (4 pi r*2)*dr/dt

    Solve for dr/dt

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