A 1.2m tall girl spots a balloon moving with the wind in a horizontal line at a height 88.2 m from the ground. The angle of elevation of the balloon from the eyes of the girl at any instant is 60°.After sometime, the angle of elevation reduces 30°.Find the distance travelled by the balloon during the interval.

A 1.2 m tall girl spots a ballon moving with wind in a horizontal line at a height of 88.2 m from the ground. The angle of elevation of the balloon from the eyes of the girl at any instant is 60^(@) . After some time, the angle of elevation reduces to 30^(@) . Find the distance travelled by the balloon during the interval.

A 1.2m tall girl spots a ballon moving with the wind in a horizontal line at a height of 88.2m from a ground.The angle of elevation of the balloon from the eyes of the girl at any instant is 60^(0). After some time,the angle of elevation reduces to 30^(0). Find the distance travelled by the balloon during the interval.

A boy whose eye level is 1.3 m from the ground, spots a balloon moving with the wind in a horizontal line at same height from the ground. The angle of elevation of the balloon from the eyes of the boy at an instant is 60^(@) . After 2 seconds, the angle of elevation reduces to 30^(@) . If the speed of the wind is 29sqrt(3) m//s then find the height of the balloon from the ground.

A body is dropped from a balloon moving up with a velocity of 4 m//s , when the balloon is at a height of 120 m from the ground. The height of the body after 5 s from the ground is:

The angle of elevation of the top of a tower from a point on the ground is 30^(@) . After walking 40sqrt3 m towards the tower, the angle of elevation becomes 60^(@) . Find the height of the tower.

The angle of elevation of the top of a tower from a point on the ground is 30^(@) . After walking 45 m towards the tower, the angle of elevation becomes 45^(@) . Find the height of the tower.

The angle of elevation of the top of a vertical tower from a point on the ground is 60. From another point 10m vertically above the first, its angle of elevation is 30. Find the height of the tower.

A girl is observing a bird sitting at a height of 500 m from the ground. The angle of elevation of the bird from the girl's eyes is 45^(@) at the initial position. After some time, the girl moves on the ground towards the bird by 50 m and bird flies away from her. At this point, the angle of elevation reduces to 30^(@) . Find the distance travelled by the bird. Take sqrt(3) = 1.73