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Every 10 seconds a pendulum makes 2 cycles. What are the period and frequency of this pendulum

Respuesta :

AL2006

   (10 seconds) / (2 cycles)  =  (10/2) (sec/cycle) = 5 seconds.

That's the pendulum's period.

Frequency = 1 / (period) = 1/5 per second  =  0.2 Hz.