In 20 Minutes, Kara Ran 2

question 46

Multiple Choice

In 20 minutes, Kara ran 2.40 km on a treadmill facing due east. Relative to the gym, what were her displacement and average velocity during this time interval?

• A) 0; 0
• B) 0; 2.00 m/s
• C) 2.40 km, east; 0
• D) 2.40 km, east; 2.00 m/s, east
• E) 2.40 km, west; 2.00 m/s, west

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Definitions:

Ambient Temperature

The temperature of the air surrounding a particular environment or object.

UV Light

Ultraviolet light, a type of electromagnetic radiation with a wavelength shorter than visible light but longer than X-rays, known for its capacity to induce sunburn and its use in sterilization.

Greenhouse Gas Emitters

Entities, such as industries, vehicles, or agriculture, that release gases capable of trapping heat in the earth's atmosphere, contributing to global warming.