An Automobile Moving Along a Straight Track Changes Its Velocity

question 11

Multiple Choice

An automobile moving along a straight track changes its velocity from 40 m/s to 80 m/s in a distance of 200 m. What is the (constant) acceleration of the vehicle during this time?

• A) 8.0 m/s
• B) 9.6 m/s
• C) 12 m/s
• D) 6.9 m/s
• E) 0.20 m/s

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Definitions:

Macronutrient

A type of nutrient required in large amounts in the diet, including carbohydrates, proteins, and fats.

Calories

Units of energy in food, with the human body requiring a certain number of calories for basic functions and additional activities.

Protein

Essential nutrients that are vital for building, maintaining, and repairing tissues, cells, and organs throughout the body.

Whole-Grain

Refers to grains that have all of their parts intact: the bran, germ, and endosperm, providing more nutrients and fiber.