The Escape Velocity at the Surface of Earth Is Approximately

question 54

Multiple Choice

The escape velocity at the surface of Earth is approximately 8 km/s. What is the mass, in units of Earth's mass, of a planet with twice the radius of Earth for which the escape speed is twice that for Earth?

• A) 2
• B) 4
• C) 8
• D) 1/2
• E) 1/4

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Definitions:

Master Schedule

A comprehensive plan that includes the timelines, milestones, and resources necessary to complete a project.

Major Activities

Essential tasks or actions that significantly impact the progression and success of a project.

Assigned Resources

Refers to the specific personnel, equipment, or capital allocated to a particular task or project.

Early Start Date

The earliest possible date on which a particular task or activity can begin, assuming all prior necessary conditions are met.