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14-04-2016
Physics

contestada

What is the period of a simple pendulum is its frequency is 20 Hz?
a. 20 sec
b. 2/1 sec
c. 1/2 sec
d. 1/20 sec

Respuesta :

14-04-2016

Period = (1) / (frequency)

= (1) / (20/sec)

= 1/20 sec

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