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Physics 59 Online
OpenStudy (anonymous):

A highway patrol plane is flying 1 mile above a long, straight road, with constant ground speed of 120 m.p.h. Using radar, the pilot detects a car whose distance from the plane is 1.5 miles and decreasing at a rate of 136 m.p.h. How fast is the car traveling along the highway? (Hint: You may give an exact answer, or use the fact that√5 ≈ 2.2.) I want to check my work , and rough diagram would be nice Taken from mit ocw single variable calculus final exam number 6.

OpenStudy (anonymous):

this is how I tried to visualize it http://snag.gy/sMtmt.jpg

OpenStudy (anonymous):

What decreases at a rate of 136 mph is the distance between the patrol and the car, not the distance between the car and the vertical of the patrol over the ground. Your graphical visualization is not ok

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