The intensity I of light from a light bulb, measured in watts per square meter (w/m squared), varies inversely as the square of the distance d from the light bulb. Suppose I is 70 w/m squared when the distance is 3 m. Find the intensity when the distance from the light bulb is 2 m away.?
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The intensity I of light from a light bulb, measured in watts per square meter (w/m squared), varies...
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