Mathematics, 08.01.2021 20:10 larey
The light intensity, E, at a surface is inversely proportional to the square of the
distance, r, of the surface from the light source.
E = 4 when r = 50
Express E in terms of r.
Answers: 3
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The light intensity, E, at a surface is inversely proportional to the square of the
distance, r, of...
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