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## Homework Statement

a 185g mass attached to a horizontal spring oscilates at 5.2Hz. At t=0s, the amss is at x=5.80 and has a vx=-40.0cm. determine the amplitude

- Thread starter hopperd
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a 185g mass attached to a horizontal spring oscilates at 5.2Hz. At t=0s, the amss is at x=5.80 and has a vx=-40.0cm. determine the amplitude

- #2

tiny-tim

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Homework Helper

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hi hopperd! welcome to pf!

it's shm, so write a differential equation, and solve it with the given initial conditions …

what do you get?

- #3

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Thats the problem. I have tried 3 diff equations, and get the same answer, but it's the wrong one. So I must be missing something. What equation would you use?

- #4

tiny-tim

Science Advisor

Homework Helper

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show us your full calculations, and the official answer, and then we'll see what went wrong, and we'll know how to help!

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