SOLUTION: an observer notices that an aeroplane flies directly overhead. two minutes later the aeroplane is at an angle of elevation of 27 degrees . assuming the aeroplane is travelling with
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Question 950719: an observer notices that an aeroplane flies directly overhead. two minutes later the aeroplane is at an angle of elevation of 27 degrees . assuming the aeroplane is travelling with constant speed , what will be its angle of elevation after another two minutes . Answer by Fombitz(32388) (Show Source):
You can put this solution on YOUR website! Let's call the horizontal distance the plane covers relative to the ground observer in 2 minutes, X.
In another two minutes, the distance will increase to
So then,
Substituting,
