Physics, asked by Kunika4976, 1 year ago

The angle of elevation of an airplane from a point a on the ground is 60°. after a flight of 15 seconds, the angle of elevation changes to 30 °. if the airplane is flying at a speed of 200 m/s, then find the constant height at which airplane is flying.

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Answered by dineshmehta1991
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any comments welcome
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