Question

A weight attached to a spring is pulled down 4 inches below the equilibrium position. Assuming...

A weight attached to a spring is pulled down 4 inches below the equilibrium position. Assuming that the period of the system is 1/3 seconds, determine a trigonometric model that gives the position of the weight at time t seconds.

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Answer #1

we have

A weight pulled down the equilibrium position, so a will be -4

The period of constant is 2pi/n

Since 2pi/n=1/3 =n=6pi

Therefore, The trigonometric function is

y=-4 cos 6pi t

I hope help you !!

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