By What Factor Should the Length of a Simple Pendulum

question 18

Multiple Choice

By what factor should the length of a simple pendulum be changed if the period of vibration were to be quadrupled?

• A) 16
• B) 4.0
• C) 0.25
• D) 1/16

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Definitions:

Critical Value

A threshold in a statistical test that a test statistic must exceed in order to reject the null hypothesis.

Null Hypothesis

A hypothesis stating there is no significant difference or effect, used as a starting point for statistical testing.

Obtained Value

The actual result or score achieved from conducting a test or measurement.

Dependent-Sample T Test

A statistical procedure used to compare the means of two related groups to determine if there is a statistically significant difference between them.