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## Homework Statement

A machine part is undergoing SHM with a frequency of of 5hz and amplitude of 1.80cm. How long does it take the part to go from x = 0 to -1.80cm?

## Homework Equations

x = Acoswt

## The Attempt at a Solution

X is given and convert it to metres 0.018. I need to manipulate answer to get time.

angular velocity is 2pi x 5 = 31.41. It is just an equation manipulation. could someone please show me the technique?