Question

The angle of elevation of a jet plane from a point on the ground is 30°. After 18sec flight the angle of elevation changes to 60° in the opposite side of the point. If the jet plane is flying at a height of 900m. Find its speed.​

Answer 1

Step-by-step explanation:

speed = 900(✓3/2 + ✓3) / 18 /3600 is Answer

calculate on your own ! ( ps:) kidding