The angle of elevation of an aeroplane from a point on the ground is 60°. After flying for 15 second, the angle of elevation changes to 30°. If the Aeroplane is flying at a height of 4500 meter, then what is the speed (in m/s) of aeroplane?
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Q:
The angle of elevation of an aeroplane from a point on the ground is 60°. After flying for 15 second, the angle of elevation changes to 30°. If the Aeroplane is flying at a height of 4500 meter, then what is the speed (in m/s) of aeroplane?
- 1$$ {150\sqrt{3}}$$false
- 2$$ {200\sqrt{3}}$$true
- 3$$ {100\sqrt{3}}$$false
- 4$$ {50\sqrt{3}}$$false
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