thecoolbroz15 thecoolbroz15
  • 15-01-2021
  • Physics
contestada

A smoke alarm beeps twice per minute. What is the period and frequency 1 po
of this cycle?
*
O T = 25s, f = 0.30
O T = 40s, f = 0.60
O T = 30s, f = 0.03
O T = 20s, f = 0.06

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kileyeckmann
kileyeckmann kileyeckmann
  • 15-01-2021
answer: the third one
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