jerianne jerianne
  • 21-04-2016
  • Physics
contestada

a kid on a playground swing makes 6 complete to-and-fro swings each 30 seconds

Respuesta :

andriansp andriansp
  • 03-05-2016
i assume that you want to find out what's the frequency is.

Number of oscillation = 6  which being done in 30 second.

which means the time period for 1 oscillation is 30 second/6 = 5 second


Frequency = 1/time period
                 = 1/5 Hertz

Hope this help
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