A Lunar Module Weighs 16 Tons on the Surface of Earth

question 13

Multiple Choice

A lunar module weighs 16 tons on the surface of Earth. How much work is done in propelling the module from the surface of the moon to a height of 50 miles? Consider the radius of the moon to be 1100 miles and its force of gravity to be one-sixth that of Earth.

• A) ft-lb
• B) ft-lb
• C) ft-lb
• D) ft-lb
• E) ft-lb

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Definitions:

AC

Typically refers to Air Conditioning, a system used for cooling and sometimes heating depending on the air properties needed.

Total Costs

The aggregate amount of all costs associated with the production or offering of goods and services, including fixed and variable costs.

Output

The quantity of goods or services produced in a given time period.

Total Fixed Costs

The sum of all costs required to produce any level of output that do not change with the quantity produced, such as rent or salaries.