The angle of elevation of an aeroplane from a point on the ground is `45o` . After a flight of 15 seconds, the elevation changes to `30o` . If the aeroplane is flying at a height of 3000 metres, find the speed of the aeroplane.

The angle of elevation of an aeroplane from a point on the ground is 45^@ . After a flight of 15 seconds, the elevation changes to 30^@ . If the aeroplane is flying at a height of 3000 metres, find the speed of the aeroplane.

The angle of elevation of an aeroplane from a point on the ground is 45^@ . After a flight of 15 sec, the eleva-tion changes to 30^@ . If the aeroplane is flying at a height of 3000 meters, find the speed of the aeroplane.

The angle of the elevation of an aeroplane from a point on the ground is 45^(@) . After flying for 15 seconds, the elevation changes to 30^(@) . If the aeroplane is flying at a height of 2500 metres. Find the speed of the aeroplane.

The angle of elevation of an aeroplane from a point P on the ground is 60. After a flight of 15 seconds,the angle of elevation changes to 30 . If the aeroplane is flying at a constant height of 15003m, find the speed of the aeroplane.

The angle of elevation of an aeroplane from a point on the ground is 45^(@) . After flying for 15 second, the elevation changes to 30^(@) . If the aeroplane is flying at a height of 2500 meters, then appproximate speed of the aeroplane in kmph is

The angle of elevation of an aeroplane from a point P on the ground is 60^@ . After a flight of 15 seconds, the angle of elevation changes to 30^@ . If the aeroplane is flying at a constant height of 1500 sqrt3 m, find the speed of the aeroplane

The angle of elevation of an aeroplane from a point P on the ground is 60^(@). After a flight of 15 seconds,the angle of elevation changes to 30^(@). If the aeroplane is flying at a constant height of 1500sqrt(3)m, find the speed of the aeroplane

The angle of elevation of an aeroplane from a point A on the ground is 60^@ . After a flight' of 30 seconds, the angle of elevation changes to 30^@ . If the plane is flying at a constant height of 3600sqrt3 m , find the speed of the plane in km/hour.

The angle of elevation of a jet plane from a point A on the ground is 60o . After a flight of 30 seconds, the angle of elevation changes to 30o . If the jet plane is flying at a constant height of 3600sqrt(3)m , find the speed of the jet plane.

The angle of elevation of a jet plane from a point A on the ground is 60o .After a flight of 30 seconds,the angle of elevation changes to 30o. If the jet plane is flying at a constant height of 3600sqrt(3)m, find the speed of the jet plane.