A 325-N Force Accelerates a 50

question 56

Multiple Choice

A 325-N force accelerates a 50.0-kg crate from rest along a horizontal frictionless surface for a distance of 20.0 m as shown in the figure.
-What is the final speed of the crate?

• A)11.4 m/s
• B)16.1 m/s
• C)32.2 m/s
• D)131 m/s
• E)259 m/s

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Definitions:

Sample SD

Standard deviation of a sample, a measure of the spread or dispersion of a set of data points within that sample.

Null Hypothesis

A hypothesis in statistical analysis that assumes no significant difference or association, typically set as the default to test against an alternative hypothesis.

Type I Error

A statistical error that occurs when a true null hypothesis is incorrectly rejected.

Type II Error

The statistical error that occurs when one fails to reject a false null hypothesis.