Question

The angle of elevation of an aeroplane from a point on the ground is 60 degree after a flight of 30 seconds the angle of elevation becomes 30 degree if the aeroplane is flying at a constant height of 3000 under root 3 find the speed of the airplane

Answer 1

Answer:

200m/s

Explanation:

if i am stand at earth surface then angle of elevation is60° and airplane flying thr distance at the earth 3000under root 3 then

Answer 2

Explanation:

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