A light source is located over the center of a circular table of diameter 4 feet (see
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A light source is located over the center of a circular table of diameter 4 feet (see figure). Find the height h of the light source such that the illumination I at the perimeter of the table is maximum when
where s is the slant height, a is the angle at which the light strikes the table, and k is a constant.
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sin a tan a I dl da h NS SIS h 2 k sin a k S 4 sin h sin a h 2 tan a s k sin ...View the full answer
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Ali Khawaja
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