A Swimmer Swims 20 Laps in a North-South Facing Pool

question 17

Multiple Choice

A swimmer swims 20 laps in a north-south facing pool in 7.00 minutes. Her first lap is toward the north. Her displacement and average velocity are

• A) 0; 0.
• B) 0; 2.38 m/s, south.
• C) 0; 2.38 m/s, north.
• D) 1 000 m, south; 2.38 m/s, south.
• E) 1 000 m, north; 2.38 m/s, north.

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Definitions:

Inequality

A mathematical statement that shows the relationship between quantities that are not necessarily equal, using symbols like <, >, ≤, and ≥.

Real Number Line

A line that visually represents all real numbers in a continuous sequence, where each point corresponds to a real number.

Real Number Line

A line that graphically represents all possible real numbers, where each point corresponds to a unique real number.

Entirely Negative

A term describing a scenario where all values or aspects of something are negative or below zero.