If the Mass of a Planet Is Doubled with No

question 17

Multiple Choice

If the mass of a planet is doubled with no increase in its size,the escape speed for that planet is

• A)increased by a factor of 1.4.
• B)increased by a factor of 2.
• C)not changed.
• D)reduced by a factor of 1.4.
• E)reduced by a factor of 2.

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Definitions:

Biological Perspective

The biological perspective in psychology emphasizes the influence of genetics, brain structures, and biological processes on behavior and mental processes.

Identical Twins

Twins that develop from a single fertilized egg, splitting and forming two embryos, and sharing exactly the same genetic material.

Fraternal Twins

Twins that develop from two different eggs fertilized by two different sperm, making them genetically unique from one another.

Self-Defeating Belief

A negative belief one holds about oneself that undermines their success or happiness.