A Simple Pendulum Consists of a 2

question 53

Multiple Choice

A simple pendulum consists of a 2.0 kg mass attached to a string. It is released from rest at X as shown. Its speed at the lowest point Y is:

• A) 0.90 m/s
• C) 3.6 m/s
• D) 6.0 m/s
• E) 36 m/s

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Definitions:

Linear Relationship

A type of association where changes in an independent variable result in proportional changes in a dependent variable, represented by a straight line in graph form.

Covariance

A measure that determines the degree to which two variables change together.

Correlation Coefficient

A statistical measure that describes the size and direction of a relationship between two or more variables.

Covariance

A measure of the joint variability of two random variables.