5) A street light is mounted at the top of a 15ft tall pole. A man 6ft tall walks away from the pole with a speed of 5ft/s along a straight path. How fast is the tip of his shadow moving when he is 40ft from the pole?

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter11: Rational And Irrational Numbers
Section11.5: Square Roots Of Variable Expressions
Problem 9P
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5) A street light is mounted at the top of a 15ft tall pole. A man 6ft tall walks away from the
pole with a speed of 5ft/s along a straight path. How fast is the tip of his shadow moving
when he is 40ft from the pole?
Transcribed Image Text:5) A street light is mounted at the top of a 15ft tall pole. A man 6ft tall walks away from the pole with a speed of 5ft/s along a straight path. How fast is the tip of his shadow moving when he is 40ft from the pole?
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