Jet Plane Height (Jee Mains) | ExamDuo
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Heights and Distances
Medium
Jet Plane Height
The angle of elevation of a jet plane from a point A on the ground is 60°. After a flight of 20s at the speed of 432 km/h, the angle of elevation change to 30°. If the jet plane is flying at a constant height, then its height is
SELECT ONE OPTION
A
1800√
3
m
B
3600√
3
m
C
2400√
3
m
D
1200√
3
m
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