An Object Is Attached to a Coiled Spring $\frac { 5 } { 2 }$

question 19

Multiple Choice

An object is attached to a coiled spring. The object is pulled down (negative direction from the rest position) and
then released. Write an equation for the distance of the object from its rest position after t seconds.
-An object in simple harmonic motion has a frequency of $\frac { 5 } { 2 }$ oscillations per second and an amplitude of 3 feet. Write an equation in the form $\mathrm { d } = \mathrm { a } \sin \omega t$ for the object's simple harmonic motion.

• A) \(d = 3 \sin 5 \pi t\)
• B) \(d = 3 \sin \frac { 5 \pi t } { 2 }\)
• C) \(d = 3 \sin \frac { 5 t } { 2 \pi }\)
• D) \(d = 3 \sin \frac { 2 t } { 5 }\)

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