A Satellite Is in an Elliptical Orbit Around Earth

question 61

Multiple Choice

A satellite is in an elliptical orbit around Earth. At one point on the ellipse, it is 25 × 10⁶ m from the center of Earth and has a speed of 12,000 m/s. What is its speed when it is at another point on the ellipse, 95 × 10⁶ m from the center of Earth? The mass of Earth is 5.97 × 10²⁴ kg and G = 6.67 x 10^-11 N·m²/kg².

• A) 12000 m/s
• B) 11000 m/s
• C) 10000 m/s
• D) 9000 m/s
• E) 8000 m/s

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Definitions:

Paradigm

A typical example or pattern of something; a model that is especially prevalent in scientific theories or how particular sets of rules define a scientific discipline.

Counterattitudinal Behavior

Actions that are contrary to one's personal beliefs, attitudes, or values, which can sometimes lead to a change in those attitudes due to cognitive dissonance.

Spreading Alternatives

The act of diversifying choices or options in decision-making or behavior.

Free Choice Paradigm

A laboratory situation in which people make a choice between two alternatives, and after they do, attraction to the alternatives is assessed.