Under What Condition Is Average Velocity Equal to the Average

question 211

Multiple Choice

Under what condition is average velocity equal to the average of the object's initial and final velocity?

• A) The acceleration is constant.
• B) The acceleration must be constantly increasing.
• C) This can occur only when the velocity is zero.
• D) This can only occur if there is no acceleration.
• E) The acceleration must be constantly decreasing.

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Definitions:

Degrees Of Freedom

A concept in statistics referring to the number of independent values or quantities which can vary in the computation of a statistic, often related to the number of observations in a sample minus the number of restrictions or parameters.

T-Distribution

A type of probability distribution that is symmetric and bell-shaped, used in statistics for small sample sizes when the population variance is unknown.

Confidence Interval

A scope of values, derived through sample statistical methods, seen as likely to include the value of an unascertained population parameter.

Population Mean

The average of a set of numerical values obtained from every member of a population.