CBSE Class 10 Answered
the angle of elevation of jet plane from point A on the ground is 60o after a flight of 15 seconds the angle of elevation changes to 30o. If the jet plane is flying at a constant height of 1500root3m. find the speed of the jet plane.
Asked by | 24 Dec, 2011, 04:35: PM
Expert Answer
Answered by | 24 Dec, 2011, 11:16: PM
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