A Rocket Coasts in an Elliptical Orbit About the Earth

question 48

Multiple Choice

A rocket coasts in an elliptical orbit about the Earth.To attain escape velocity using the least amount of fuel in a brief firing time,should it fire off at the apogee,or at the perigee? (Hint: Let "Fd = change in KE" guide your thinking. )

• A)perigee,where it is closest and fastest
• B)apogee,where it is farthest and slowest
• C)same either location

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Esophageal Stricture

The narrowing of the esophagus, which can cause difficulty in swallowing, often resulting from inflammation or scarring.

Nasogastric Tube

A flexible tube passed through the nose into the stomach, used for feeding or removing stomach contents.

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