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OpenStudy (amber15):
The intensity I of light bulb measured in watts per square meter (w/m^2), varies inversely as the square of the distance d from the light bulb . . suppose I is 55 w/m^2 when the distance is 8 m . find the intensity when the distance from the light bulb is 5 m away
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OpenStudy (irishboy123):
\[I = \frac{k}{d^2} \ ; \ k = I \ d^2\] compare constants....
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