Two Motorcycles Are Riding Around a Circular Track at the Same

question 45

Multiple Choice

Two motorcycles are riding around a circular track at the same angular velocity. One motorcycle is at a radius of 15 m; and the second is at a radius of 18 m. What is the ratio of their linear speeds, v₂^/v₁?

• A)1.0
• B)0.83
• C)1.4
• D)0.71
• E)1.2

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Definitions:

Observations

The act of monitoring or recording systematically selected variables or data points for a particular study.

Value Of T

A calculated statistic used in t-tests that measures the size of the difference relative to the variation in the sample data, commonly used to test hypotheses about means.

Confidence Estimate

An interval estimate calculated to indicate the reliability of an estimated range in which a population parameter lies.

Observations

Data points or values that have been collected or measured in a study or experiment.