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  • 2 years ago

For a 225- watt bulb, the intensity I of light, in lumens at a distance of x feet is I = 225/x^2. a. What is the intensity of light 5 ft from the bulb? b. Suppose your distance from the bulb doubles. How does the intensity of the light change? Explain.

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  1. eSpeX
    • 2 years ago
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    This is a simple plug and chug, they have given you the equation and all you need do is plug in 'x'.

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