Question

1) 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 45º. The bird flies away from the point of observation
horizontally and remains at a constant height. After 2 secs, the angle of elevation of the bird
from the point of observation becomes 30°. Find the speed of flying of the bird.
(V3=1.73)​

Answer 1

Answer:

29.2 m/s

Step-by-step explanation: