A Gas Eventually Will Escape from a Planet's Atmosphere If

question 10

Multiple Choice

A gas eventually will escape from a planet's atmosphere if the average velocity of the atoms exceeds 1/6 times the escape velocity of the planet.If the average velocity of water vapor in Venus' atmosphere is 0.9 km/s,would it eventually escape? Venus' mass is and its radius is 6,050 km.

• A) Water vapor would escape because 1/6 times the escape velocity is 0.51 km/s.
• B) Water vapor would not escape because 1/6 times the escape velocity is 1.7 km/s.
• C) Water vapor would escape because 1/6 times the escape velocity is 0.42 km/s.
• D) Water vapor would not escape because 1/6 times the escape velocity is 2.6 km/s.

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Definitions:

Ordinary Annuities

A sequence of identical payments distributed at the conclusion of successive intervals during a predetermined duration.

Annuities Due

Annuities that require payment at the beginning of each period, as opposed to the end, used often in leases and loan repayments.

Time Periods

Distinct intervals of time used for financial analysis, planning, and accounting, can range from short-term to long-term durations.

Future Value

The estimated amount of money an investment is expected to be worth in the future, taking into account a specified rate of interest or growth.