The Escape Speed from the Surface of the Earth Is

question 32

Multiple Choice

The escape speed from the surface of the Earth is 11.2 km/s.Estimate the escape speed for a spacecraft from the surface of the Moon.The Moon has a mass 1/81 that of Earth and a radius 0.25 that of Earth.

• A)2.5 km/s
• B)4.0 km/s
• C)5.6 km/s
• D)8.7 km/s

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Definitions:

Probability Distribution

A mathematical function that describes the likelihood of obtaining the possible values that a random variable can assume.

Daily Demand

The total quantity of a product or service required by the market within one day.

Computers

Electronic devices that can store, retrieve, and process data, performing calculations and operations according to a set of instructions known as programs.

Probability Distribution

A mathematical description of outcomes in a probabilistic experiment with respect to their probabilities.