An airplane is flying horizontally at an altitude of $5 \mathrm{~km}$ and with speed of $600 \mathrm{~km} / \mathrm{h}$. It passes directly over an observer on the ground. Determine how fast the angle between the airplane and the observer is increasing, in rads/h, 1 minute after the airplane passed the observer.

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The Answer of An airplane is flying horizontally at an altitude of $5 \mathrm{~km}$ and with speed of $600 \mathrm{~km} / \mathrm{h}$. It passes directly over an observer on the ground. Determine how fast the angle between the airplane and the observer is increasing, in rads/h, 1 minute after the airplane passed the observer.

An Airplane Is Flying Horizontally at an Altitude Of 5 km5 \mathrm{~km}5 km

An Airplane Is Flying Horizontally at an Altitude Of $5 \mathrm{~km}$