- #1

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## Homework Statement

Find the stiffness of the spring in a child's pogo stick if the child has a mass of 35kg and bounces once every 2.0 seconds.

T = 2.0 seconds m = 35kg

## Homework Equations

T = 2π√(m/k)

## The Attempt at a Solution

Using the above, I figured k = mπ

^{2}which worked out to be 345.44

This problem didn't have an answer in the back of the book. I saw a similar equation for frequency so I used the frequency/period relationship to formulate the above equation. I figured I should ask for a check in case I assumed wrong.