The angle of elevation of a flying drone from a point on the ground is 60o. After flying for 5 seconds the angle of elevation drops to 30o. If the drone is flying horizontally at a constant height of 1000 √3 m, the distance travelled by the drone is∶

The angle of elevation of a flying drone from a point on the ground is

1.	The angle of elevation of a flying drone from a point on the ground is 60o. After flying for 5 seconds the angle of elevation drops to 30o. If the drone is flying horizontally at a constant height of 1000 √3 m, the distance travelled by the drone is∶
A.	2000 m
B.	1000 m
C.	3000 m
D.	4000 m
Answer» B. 1000 m