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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