I have to solve the following problem:(adsbygoogle = window.adsbygoogle || []).push({});

"A rescue plane is flying at a constant elevation of 1200m with a speed of 430 km/h toward a point directly over a person in the water. At what angle of sight [tex]\theta[/tex] should the pilot release a rescue capsule if it is land near the person in the water?"

The answer we are given is 57 degrees.

Here is the setup I think we have:

(we are not given a diagram)

Wouldn't the angle needed depend on the "horizontal distance" as labeled in the graph? In other words, if the angle is a set 57 degrees then the horizontal distance must be some fixed value.

We are not given the "horizontal distance" in the problem.

I imagine I could figure out that distance since I know the answer of 57 degrees, but if I wasn't given the answer there is no way to have solved this problem without knowing the horizontal distance - correct?

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# Dropping an object from a moving plane.

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