A 1 500-Kg Car Rounds an Unbanked Curve with a Radius

question 39

Multiple Choice

A 1 500-kg car rounds an unbanked curve with a radius of 52 m at a speed of 12 m/s.What minimum coefficient of friction must exist between the road and tires to prevent the car from slipping? (g = 9.8 m/s²)

• A) 0.18
• B) 0.30
• C) 0.28
• D) 0.37

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Definitions:

Sample Size

The number of observations or data points collected in a sample for the purpose of analysis.

Population Standard Deviation

A measure of the variation or dispersion of all values in an entire population.

Standard Error

A statistical measure that represents the accuracy with which a sample distribution represents a population by quantifying the variability of the mean.

Standard Deviation

A statistic that measures the dispersion or variability of a dataset relative to its mean, indicating how spread out the data points are.