Airplane Flies at an Altitude of 6 Miles Towards a Point

question 82

Multiple Choice

airplane flies at an altitude of 6 miles towards a point directly over an observer. Consider $\theta$ and $x$ as shown in the following figure. The speed of the plane is 400 miles per hour.
Find $\frac { d \theta } { d t }$ when $x = 10$ . Round your answer to three decimal places.

• A) \(-17.647 \mathrm { rad } / \mathrm { hr }\)
• B) \(2.941 \mathrm { rad } / \mathrm { hr }\)
• C) \(17.647 \mathrm { rad } / \mathrm { hr }\)
• D) \(0.044 \mathrm { rad } / \mathrm { hr }\)
• E) \(- 8.824 \mathrm { rad } / \mathrm { hr }\)

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