A Crash Test Is Performed on a Vehicle

question 6

Multiple Choice

A crash test is performed on a vehicle. The force of the wall on the front bumper is shown in the table. Estimate the impulse and the speed of the vehicle to the nearest whole number (use m = 200 slugs) .

• A) impulse: 246,000 velocity: 1230 ft/s
• B) impulse: 8200 velocity: 41 ft/s
• C) impulse: 10,800 velocity: 54 ft/s
• D) impulse: 324,000 velocity: 1620 ft/s

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Definitions:

Psychokinesis

A purported psychic ability allowing a person to influence a physical system without physical interaction.

Vocal Cords

Folds of tissue in the throat that vibrate and produce sound when air is expelled from the lungs, enabling speech.

High Pitch

Frequencies of sound that are higher and usually perceived as sharper by the human ear.

Gestalt Psychology

A theory of mind which posits that psychological phenomena must be viewed as organized, structured wholes (Gestalts) rather than the sum of their parts.