The Speed of the Solar Wind Is Approximately 400 Km/s

question 50

Multiple Choice

The speed of the solar wind is approximately 400 km/s and the distance from the sun to Saturn is 9.5 AU (1 AU = 1.5*10⁸ km) . How long does it take a particle in the solar wind to reach Saturn?

• A) about 4.1 hours
• B) about 4.1 days
• C) about 41 days
• D) about 4.1 years
• E) about 41 years

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Definitions:

Time Value of Money

The concept that money available today is worth more than the same amount in the future due to its earning capacity.

Net Present Value

The variance between the current worth of incoming cash and the current worth of outgoing cash throughout a specific time frame.

Cost of Capital

The rate of return a company must earn on its investment projects to maintain its market value and attract funds.

Profitability Index

A financial tool used to measure the relative profitability of an investment, calculated as the present value of future cash flows divided by the initial investment cost.