A 5-foot-tall person is walking towards a 7-foot-tall lamppost at a uniform rate of 2 feet per second. Find how fast the subtended angle of the lamppost from the person is increasing when the person is horizontally 1 foot from the lamppost. Assume the eye level of the person to be also 5 feet for simpler analysis. 77 rad/s A) 65 33 rad/s B) 29 11 rad/s C) 22 rad/s D) 19

Trigonometry (MindTap Course List)
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Chapter1: Trigonometry
Section1.1: Radian And Degree Measure
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A 5-foot-tall person is walking towards a 7-foot-tall lamppost at a uniform rate of 2 feet per second. Find how fast the subtended
angle of the lamppost from the person is increasing when the person is horizontally 1 foot from the lamppost. Assume the eye level
of the person to be also 5 feet for simpler analysis.
77 rad/s
A) 65
33
rad/s
B) 29
11
rad/s
C)
9
22 rad/s
D)
19
Transcribed Image Text:A 5-foot-tall person is walking towards a 7-foot-tall lamppost at a uniform rate of 2 feet per second. Find how fast the subtended angle of the lamppost from the person is increasing when the person is horizontally 1 foot from the lamppost. Assume the eye level of the person to be also 5 feet for simpler analysis. 77 rad/s A) 65 33 rad/s B) 29 11 rad/s C) 9 22 rad/s D) 19
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