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May 28, 2015

Homework Help: Math

Posted by Hi on Tuesday, March 20, 2012 at 9:56pm.

The illumination produced by a light source is inversely proportional to the square of the distance to the source. If a light source 5m from an object illuminates with 70 candela, what illumination would be produce if the object were mover to 12 m away?

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