If the Mass of a Planet Is Doubled While Its

question 81

Multiple Choice

If the mass of a planet is doubled while its radius and the radius of orbit of its moon remain constant, the speed of the moon is

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

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Definitions:

P-value

The probability of obtaining a statistical summary (e.g., the difference in means) at least as extreme as the one observed in a study assuming the null hypothesis is true.

Two-sided Significance Tests

Statistical tests that assess the significance of an effect in either direction, allowing for the evaluation of both positive and negative differences.

Null Hypothesis

A statistical hypothesis that assumes no significant difference or relationship exists between certain parameters or distributions.

SRS

Simple Random Sample, a basic sampling technique in which each member of the population has an equal chance of being included in the sample.