Mathematics 6–12

Question 14 of 27

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Competency 3—Knowledge of geometry and trigonometry

DIRECTIONS: Read the question and select the best response.

Suppose that an object attached to a coiled spring is pulled down 6 inches from its equilibrium position and released. It takes 4 seconds for it to complete one oscillation. Which of the following equations models the position of the object at time t?

Choose an answer

s open parentheses t close parentheses equals negative 6 cosine open parentheses pi over 2 t close parentheses
s open parentheses t close parentheses equals 6 cosine open parentheses pi over 2 t close parentheses
s open parentheses t close parentheses equals negative 6 sine open parentheses pi over 2 t close parentheses
s open parentheses t close parentheses equals 6 sine open parentheses pi over 2 t close parentheses

Enter to expand or collapse answer.Answer expanded: Correct Response: A.

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Mathematics 6–12

Question 14 of 27

Competency 3—Knowledge of geometry and trigonometry