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Mathematics 64 Online
OpenStudy (anonymous):

Astronomers can use the brihtness of two light sources,such as stars, to compare the distances from the light sources.The intensity , or brightness, of light I is inversely proportionnal to the square of the distance from the light source d. a) rite an qution that represents this sititution. b) if d is the independent variable and I is the dependent variable,graph the rqution from exercise a when k=16 c) if two people are viewing the same light source,and one person is three time the distance from the light source as the other person,compare the light intensities t

OpenStudy (anonymous):

l = k/d^2

OpenStudy (anonymous):

l = (4/d)^2

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