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CalculusQ&A LibraryWhen a rocket is 6 kilometers high, it is moving vertically upward at a speed of 100 kilometers per hour. At that instant, how fast is the angle of elevation of the rocket increasing, as seen by an observer on the ground 5 kilometers from the launching pad?( Hint: The angle of elevation is the angle between the horizontal ground and the line of sight with respect to the rocket. )When the rocket is 6 kilometers high, the angle of elevation from the observer is changing at a rate of radians per hour.Question

Asked Oct 3, 2019

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When a rocket is 6 kilometers high, it is moving vertically upward at a speed of 100 kilometers per hour. At that instant, how fast is the angle of elevation of the rocket increasing, as seen by an observer on the ground 5 kilometers from the launching pad?

( *Hint*: The angle of elevation is the angle between the horizontal ground and the line of sight with respect to the rocket. )

When the rocket is 6 kilometers high, the angle of elevation from the observer is changing at a rate of radians per hour.

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Step 1

Let the height of the rocket be h and the angle of elevation from the observer’s eye is x.

Step 2

As the observer is 5 km away from the launching pad, the height function in terms of x can be constructed as

Step 3

Differentiate it with...

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