A Ball Is Moving at 20 M/s

question 25

Multiple Choice

A ball is moving at 20 m/s. If no forces act on it, then 5 seconds later the ball's speed will be

• A) zero.
• B) 20 m/s.
• C) more than 20 m/s, but the precise answer cannot be found without further information.
• D) less than 20 m/s, but the precise answer cannot be found without further information.
• E) None of the above.

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Definitions:

Type II Error

The error that occurs when the null hypothesis is not rejected when it is actually false, also known as a false negative result.

Type I Error

Mistakenly refusing a true null hypothesis, popularly known as a "false positive."

Nominal Data

Data that are categorized into distinct groups without implying any ranked order among them.

Confidence Level

The probability, expressed as a percentage, that the result of an experiment or study will fall within a specified range of values.