A man 6 feet tall walks at a rate of 5 feet per second away from a

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A man 6 feet tall walks at a rate of 5 feet per second away from a light that is 15 feet above the ground (see figure).
(a) When he is 10 feet from the base of the light, at what rate is the tip of his shadow moving?
(b) When he is 10 feet from the base of the light, at what rate is the length of his shadow changing?

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Calculus

ISBN: 9781285057095

10th Edition

Authors: Ron Larson, Bruce H. Edwards

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