For a Planet in Orbit Around a Star the Perihelion

question 34

Multiple Choice

For a planet in orbit around a star the perihelion distance is r_p and its speed at perihelion is v_p.The aphelion distance is r_a and its speed at aphelion is v_a.Which of following is true?

• A)v_a = v_p
• B)v_a/r_a = v_p/r_p
• C)v_a r_a = v_p r_p
• D)v_a/r_a ² = v_p/r_p ²
• E)v_a r_a ² = v_p r_p ²

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Definitions:

Overestimation

The action of assessing someone or something as greater or more significant than it actually is, often leading to unrealistic expectations.

Fundamental Attribution Error

The tendency for observers to overemphasize personality traits and underestimate situational factors when explaining others' behavior.

Opportunities

Situations or conditions that present chances for advancement, improvement, or success.

Lazy

A reluctance to work or make an effort, often characterized by a lack of motivation or interest in being productive.