Solve the Problem $s ( 0 ) = - 5$ Inches and a Period Of

question 48

Multiple Choice

Solve the problem.
-Suppose that a weight on a spring has an initial position of $s ( 0 ) = - 5$ inches and a period of $P = 2.5$ seconds. Find a function $s ( t ) = a \cos ( 2 \pi F t )$ that models the displacement of the weight.

• A) \(\mathrm { s } ( \mathrm { t } ) = - 5 \cos ( 2 \pi ( 2.5 ) \mathrm { t } )\)
• B) \(s ( t ) = - 10 \cos ( 2 \pi ( 2.5 ) t )\)
• C) \(\mathrm { s } ( \mathrm { t } ) = - 5 \cos ( 2 \pi ( 0.4 ) \mathrm { t } )\)
• D) \(s ( t ) = - 10 \cos ( 2 \pi ( 0.4 ) t )\)

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