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[" The angle of elevation of a Jet plane from a point "A" on the ground is "60^(@)." After a flight of "15" seconds,"],[" the angle of elevation changes to "30^(@)." If the plane is flying at a constant height of "1500sqrt(3)m" ,"],[" then the speed of jet plane is: "],[[" (A) "200m/s," (B) "180m/s," (C) "240m/s," (D) "220m/s]]

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The angle of elevation of a jet plane from a point A on the ground is 60^(@) . After a flight of 15 seconds, the angle of elevation changes to 30^(@) . If the jet plane is flying at a constant height of 1500sqrt(3) m, find the speed ot the jet plane.

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The angle of elevation of a jet plane from a point A on the ground is 60^(@). After a flight of 15 seconds,the angle of elevation changes to 30^(@). If the jet plane is flying at a constant height of 1500sqrt(3) meter,find the jet plane.(sqrt(3)=1.732)

The angle of elevation of a jet plane from a point A on the ground is 60^(@) . After a flight of 15 seconds, the angle of elevation changes to 30^(@) . If the jet plane is flying at a constant height of 1500 sqrt(3) meter, find the speed of the jet plane. (sqrt(3) - 1.732)

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