You are a sportswriter for a newspaper. Today you are writing an article about a professional basketball player. During the play
1 answer:
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Answer:
4,022.5 m
Step-by-step explanation:
When an observer watches an object lying on the ground from an elevated point on the ground then the angle formed between horizontal line and the line of vision is known as ANGLE OF DEPRESSION.
When an observer watches an object from a point on the ground situated at some height from the ground from the ground then the angle formed between horizontal line and the line of vision is known as ANGLE OF ELEVATION .
Let the distance of the rock from the airplane be x meters.
As you know the directrix and focus. so first of all find the distance 'a.f' shown in the figure. now find the location of the mid point of the line 'a.f' because it's the vertex. half the distance to get the focal length 'a'. now put all the values in the equation given to get the equation of required parabola.
