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# CBSE Class 10 Answered

A bird is sitting on the top of a tree which is 80 m high.  The angle of elevation of the bird from a point on the ground is 45°. The bird flies away from the point of observation horizontally and remains a constant height.  After 2 s,  the angle of elevation of the bird from the point of observation becomes 30°. Find the speed of flying of the bird.
Asked by pdcavita | 19 Nov, 2017, 02:58: PM
Expert Answer
Answered by Rashmi Khot | 30 Nov, 2017, 10:41: AM

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