The angle of elevation of aero plane from a point on the ground is 50°, after 6seconds the angle of elevation changesrupes to 60°. If the plane is flying horizontally at a height of 3000 meters . Draw the diagram related to the information.
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Answer:
After a flight of 30 seconds, the angle of elevation becomes 30°. If the airplane is flying at a constant height of 3000√3 m, find the speed of the airplane.
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Step-by-step explanation:
tan60
∘
=
x
3000
3
x=
3
3000
3
=3000m
tan30
∘
=
1/
3
3000
3
=9000m
distance covered = 9000- 3000
= 6000 m.
speed =
30
6000
=200m/s
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