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A child in a swing makes 5 complete back and forth vibrations in 13.5 seconds. Determine the vibrational period of the child, along with the corresponding unit.

Respuesta :

Answer:

2.7 sec / vibrat.

Explanation:

Frequency =  5 cycles / 13.5 sec

Period  = 1/ frequency  = 13.5 sec / 5 cycle

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