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[" A man,"2m" tall,walks at the rate of "1(2)/(3)m/s" towards a street light which is "],[5(1)/(3)m" above the ground.At what rate is the tip of his shadow moving? At what "],[" rate is the length of the shadow changing when he is "3(1)/(3)m" from the base "]

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A man, 2 m tall, walks at the rate of 1 (2)/(3) m/sec towards a street light which is 5 (1)/(3) m above the ground. At what rate is the tip of his shadow moving? At what rate is the length of the shadow changing when he is 3 (1)/(3) m from the light.

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