The angle of elevation of a jet plane from a point A on the ground is

MATHEMATICS · Subjective · CBSE · Mathematics · Applications of Trigonometry · Applications of Trigonometry

Problem

The angle of elevation of a jet plane from a point A on the ground is 60∘60^\circ. After a flight of 15 seconds, the angle of elevation changes to 30∘30^\circ. If the jet plane is flying at a constant height of 150031500\sqrt{3} m, find the speed of the jet plane.

Related theory

Browse the problem library