Which of the Following Quantities Is Conserved for a Planet

question 39

Multiple Choice

Which of the following quantities is conserved for a planet orbiting a star in a circular orbit? Only the planet itself is to be taken as the system; the star is not included.

• A) Momentum and energy.
• B) Energy and angular momentum.
• C) Momentum and angular momentum.
• D) Momentum, angular momentum and energy.
• E) None of the above.

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Definitions:

Heartbeat

The rhythmic contraction and relaxation of the heart, pumping blood throughout the body.

Angina Pectoris

A condition characterized by chest pain due to reduced blood flow to the heart muscle.

Blood Supply

The provision of blood to a particular area or organ of the body, essential for delivering nutrients and oxygen.

Arteries

Blood vessels that carry oxygenated blood away from the heart to the body's organs and tissues.