The Sears Building in Chicago sways back and forth in the wind with a frequency of about 0.12 Hz. What is its?

2 Answers

  • If the Frequency is 0.12 Hz , then:

    the “Period” — or time to complete a full cycle is 8333.33 milliseconds, or 8.33 seconds.

    The attached frequency calculator website may help:

    http://www.sengpielaudio.com/calculator-period.htm

  • It was deliberately built that way for elasticity and endurance in case of major winds or another disastrous event.

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