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CalculusQ&A LibraryThe intensity of illumination I from a light varies inversely as the square of the distance d from the light.(a) Write this statement as an equation.(b) Determine the constant of proportionality if it is known that a lamp has an intensity of 1000 candles at a distance of 8 m. (c) What is the intensity of this lamp at a distance of 20 m?Start your trial now! First week only $4.99!*arrow_forward*

Question

The intensity of illumination I from a light varies inversely as the square of the distance d from the light.

(a) Write this statement as an equation.

(b) Determine the constant of proportionality if it is known that a lamp has an intensity of 1000 candles at a distance of 8 m.

(c) What is the intensity of this lamp at a distance of 20 m?

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