Multiple Choice
An airplane flies at an altitude of 6 miles towards a point directly over an observer. Consider 
and x as shown in the following figure. The speed of the plane is 400 miles per hour. Find 
when 
. Round your answer to three decimal places. 
A) -17.647 rad/hr
B) 2.941 rad/hr
C) 17.647 rad/hr
D) 0.044 rad/hr
E) -8.824 rad/hr
Correct Answer:
Verified
Correct Answer:
Verified
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