Height and Distance: JEE Main 2021 Mathematics question

JEE Main 2021 · 24 Feb, Evening shift · Q3921

JEE Main 202124 Feb, Evening shiftMathematicsMediumHeight and Distance38× since 2004

The angle of elevation of a jet plane from a point A on the ground is 60

^\circ

. After a flight of 20 seconds at the speed of 432 km/hour, the angle of elevation changes to 30

^\circ

. If the jet plane is flying at a constant height, then its height is :

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JEE Main 2021 Height and Distance Question with Solution (24 Feb Evening shift, Q3921) | JEE Arc

JEE Main 2021 · 24 Feb, Evening shift · Q3921

JEE Main 202124 Feb, Evening shiftMathematicsMediumHeight and Distance38× since 2004

The angle of elevation of a jet plane from a point A on the ground is 60

^\circ

. After a flight of 20 seconds at the speed of 432 km/hour, the angle of elevation changes to 30

^\circ

. If the jet plane is flying at a constant height, then its height is :