## anonymous 4 years ago The world record for pogo jumping is 122000 times in 15 h 26 min. What type of vibration is occurring in the spring of the pogo stick? Calculate the average period of vibration. Calculate the average frequency of vibration.

1. anonymous

We can model the vibration as a sine wave. The average period of vibration is simply:$t = {\rm time \over jumps}$The frequency is: $f = {1 \over t} = {\rm jumps \over time}$

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