A spotlight at a building corridor is fastened to a wall 8 m above the floor . A lady 1.75 m tall moves away from the wall at a speed of 0.75 m/s. a.) at what rate is the length of her shadow increasing? b.) at what speed is the tip of her shadow moving?

Elementary Geometry for College Students
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ISBN:9781285195698
Author:Daniel C. Alexander, Geralyn M. Koeberlein
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Chapter8: Areas Of Polygons And Circles
Section8.4: Cicumference And Area Of A Cicle
Problem 45E: The diameter of a carousel merry-go-round is 30ft. At full speed, it makes a complete revolution in...
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A spotlight at a building corridor is fastened to a wall 8 m above the floor . A lady 1.75 m tall moves away from the wall at a speed of 0.75 m/s.

a.) at what rate is the length of her shadow increasing?

b.) at what speed is the tip of her shadow moving?

 

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