The Following Equation Was Obtained by Solving a Physics Problem

question 56

Multiple Choice

The following equation was obtained by solving a physics problem: The best physical representation of the situation is

• A)A car traveling at 16.0 m/s is 19.2° into a turn of a quarter circle on a level road.
• B)A mass on a string that is originally horizontal has fallen to where the angle between the string and the vertical direction is 19.2°.
• C)A mass on a string originally horizontal has fallen 19.2° from the horizontal direction.
• D)A car traveling at 16.0 m/s is on a circular curve banked at 19.2°.
• E)A car traveling at 16.0 m/s and going over a semicircular mountain-top road is 19.2° down from the top.

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Definitions:

Sample Standard Deviations

A measure that quantifies the amount of variation or dispersion of a set of sample data values from the mean.

Test Statistic

A calculated value from sample data that is used in a hypothesis test to determine whether to reject the null hypothesis, based on some statistical model.

Confidence Limit

The range within which a population parameter is estimated to lie with a certain confidence level.

Population Variances

The measure of the spread of a population's data points from their mean.