A Certain Spherical Asteroid Has a Mass of 3

question 45

Multiple Choice

A certain spherical asteroid has a mass of 3.5 × 10¹⁶ kg and a radius of 8.8 km.What is the minimum speed needed to escape from the surface of this asteroid? (G = 6.67 × 10^-11 N ∙ m²/kg²)

• A)23 m/s
• B)16 m/s
• C)520 m/s
• D)730 m/s

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Definitions:

NPV

Net Present Value (NPV) is a financial metric used to evaluate the profitability of an investment or project, calculated as the difference between the present value of cash inflows and outflows over a period of time.

Cash Flows

The total amount of money being transferred into and out of a business, particularly in terms of income and expenses.

Required Rate of Return

The minimum expected return by investors for investing in a non-risk-free asset, considering its risk level.

PI

A mathematical constant representing the ratio of a circle's circumference to its diameter, approximately equal to 3.14159.