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24-09-2021
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a young girl is on a swing that completes 20.0 cycles in 25 seconds. what are its frequency and period?

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ellaevw ellaevw

24-09-2021

Answer:

0.8 - 1.25

Explanation:

f = n ÷ t

period = 1 ÷ f

f = 20/25 = 0.8 Hz

period = 1/0.8 = 1.25 s

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