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An aircraft is flying at a height of 3400 m above the ground.

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asked Mar 3, 2018 in Physics by shabnam praween (19,050 points) ● 5 ● 6 ● 8

An aircraft is flying at a height of 3400 m above the ground. If the angle subtended at a ground observation point by the aircraft positions 10.0 s apart is 30°, what is the speed of the aircraft?

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answered Mar 3, 2018 by mdsamim (213,225 points) ● 5 ● 10 ● 15
selected Mar 3, 2018 by shabnam praween
 
Best answer

The positions of the observer and the aircraft are shown in the given figure.

Height of the aircraft from ground, OR = 3400 m
Angle subtended between the positions, ∠POQ = 30°
Time = 10 s

In ΔPRO:

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