A Planet Has Mass M_P and Radius R_P

question 62

Multiple Choice

A planet has mass m_P and radius R_P. Suppose a rod of uniform diameter and length R_P extends vertically from the surface of the planet. Where is the center of gravity of the rod as measured from the surface of the planet? The mass of the rod is much less than the mass of the planet.

• A) 0
• B) R_P/3
• C) 2R_P/5
• D) R_P/2
• E) 3R_P/4

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Definitions:

Intelligence Quotient

A measure of a person's cognitive abilities in relation to their age group, typically assessed through standardized testing.

Formula

A mathematical or symbolic expression that defines a relationship among variables or a recipe consisting of specific ingredients in defined proportions.

Intelligence

The ability to solve problems and to adapt to and learn from experiences.

Indirect Means

Pertains to methods or approaches that are not straightforward or direct in achieving a goal or effecting outcomes, often involving secondary or less obvious pathways.