Angle of elevation of a jet plane... | Heights & Distances JEE Main 2021

JEE MAIN 2021

24-02-2021 S2

Question

The angle of elevation of a jet plane from a point A on the ground is 60°. After a flight of 20 seconds at the speed of 432 km/hour, the angle of elevation changes to 30°. If the jet plane is flying at a constant height, then its height is :

Select the correct option:

$1800 \sqrt{3} \mathrm{~m}$

$3600 \sqrt{3} \mathrm{~m}$

$2400 \sqrt{3} \mathrm{~m}$

$1200 \sqrt{3} \mathrm{~m}$

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

Question Tags

JEE Main

Mathematics

Medium

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