Question
Sat December 24, 2011 By:
 

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.

Expert Reply
Sat December 24, 2011
Sun March 26, 2017

solve

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