Question

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 any instant is 60°.After 2 seconds, the angle of elevation reduces to 30° if the speed of the wind at that moment isy 3m/ then find the height of the balloon from the ground.​

Answer 1

Answer:

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