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A bird is sitting on the top of a tree 8...

A bird is sitting on the top of a tree 80 m high. From a point on the ground the angle of elevation of the bird is`45^(@)`. The bird flies horizontally such that it remains at a constant height from the ground. After 2 seconds the angle of elevation of the bird from the same point is `30^(@)`. Find the speed of the flying bird.

Text Solution

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The correct Answer is:
29.28 m/s
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