The angle of elevation of a jet plane from a point P on the ground is 60 degree.After a flight of 15 seconds the angle of elevation changes to 30 degree.If the jet plane is flying at a constant height of 1500?3 m ,find the speed of the jet plane.[200m/s Ans.]
Asked by Harsh Poplay | 28th Dec, 2013, 07:23: PM
Expert Answer:
Answered by | 28th Dec, 2013, 09:17: PM
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