Q: An Aeroplan is flying horizontally at a height of 1.8 km above the – McqOptions

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1.	Q: An Aeroplan is flying horizontally at a height of 1.8 km above the ground. The angle of elevation of plane from point X is 60° and after 20 seconds, its angle of elevation from X becomes 30°, If point X is on ground, then what is the speed (in km / hr.) of Aeroplan?
A.	201√3
B.	305√3
C.	216√3
D.	105√3
Answer» D. 105√3

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