Solve the Problem $\frac { 1 } { 3 }$ Second, Determine a Trigonometric Model That Gives the Position of Pulled

question 55

Multiple Choice

Solve the problem.
-A weight attached to a spring is pulled down 4 inches below the equilibrium position. Assuming that the period of the system is $\frac { 1 } { 3 }$ second, determine a trigonometric model that gives the position of the weight at time $t$ seconds.

• A) \(y = - 4 \cos 6 \pi t\)
• B) \(y = - 4 \cos 3 \pi t\)
• C) \(y = 4 \cos \frac { 1 } { 3 } t\)
• D) \(y = 4 \cos 6 \pi t\)

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