Question 1190715
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An airplane is flying at a speed of 250 mph at an altitude of 5 miles. 
The plane passes directly above a radar station at time t = 0.
Find the distance s between the plane and the radar station after 5 minutes.
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<pre>
This distance is the hypotenuse of the right-angled triangle, one leg of which

is the altitude (5 miles), and the other leg is the horizontal travel distance

of the plane in 5 minutes.


This horizontal distance is  {{{250*(5/60)}}} miles = 20.833 miles.


So, the distance from the radar to the plane is  


      d = {{{sqrt(5^2 + 20.833^2)}}} = 21.425 miles.    <U>ANSWER</U>
</pre>

Solved.