While an Object Is in Projectile Motion (With Upward Being

question 38

Multiple Choice

While an object is in projectile motion (with upward being positive) with no air resistance,

• A) the horizontal component of its velocity remains constant and the horizontal component of its acceleration is equal to -g.
• B) the horizontal component of its velocity remains constant and the vertical component of its acceleration is equal to -g.
• C) the horizontal component of its velocity remains constant and the vertical component of its acceleration is equal to zero.
• D) the vertical component of both its velocity and its acceleration remain constant.
• E) the vertical component of its velocity remains constant and the vertical component of its acceleration is equal to -g.

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Definitions:

Test Statistic

A numerical measure that summarizes data from a sample to make inferences about a population parameter in hypothesis testing.

Variance

A measure of dispersion indicating how far individual values in a dataset are from the mean.

Standard Deviation

A measure of the amount of variation or dispersion of a set of values; a low standard deviation indicates that the values tend to be close to the mean.

Sampling Distribution

The probability distribution of a given statistic based on a random sample.