A man 5 ft tall is walking along a straight line at a rate of 3 ft/sec towards a lamp post that is 15 ft high. How fast is the tip of his shadow moving when he is 30 ft from the post?
A man 5 ft tall is walking along a straight line at a rate of 3 ft/sec towards a lamp post that is 15 ft high. How fast is the tip of his shadow moving when he is 30 ft from the post?
Chapter3: Polynomial Functions
Section3.5: Mathematical Modeling And Variation
Problem 7ECP: The kinetic energy E of an object varies jointly with the object’s mass m and the square of the...
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Transcribed Image Text:A man 5 ft tall is walking along a straight line at a rate of 3 ft/sec towards a lamp post
that is 15 ft high. How fast is the tip of his shadow moving when he is 30 ft from the
post?
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