, angle of elevation of a jet plane from a point P on the ground is 60 – InterviewSolution

1.	, angle of elevation of a jet plane from a point P on the ground is 60. After a flight of(C.B.S.E. 1997, 2002, 2004 C)a distance of.B.S.E. 1989)r coa seconds,tng of elevation changes to 30°. If the jet plane is flying at a constant heightef 1500/3 m, find the speed of the jet plane.
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