The thread pendulum makes 36 complete oscillations in 1.2 minutes. Find the period and frequency of the pendulum.

univerkov | November 27, 2020 | education

Given:
t = 1.2 min. = 72 s.
N = 36.
Find: T-? from . ν-? Hz.
Decision :
ν = N / t.
T = 1 / ν.
ν = 36/72 = 0.5 (Hz.).
T = 1 / 0.5 = 2 (s.).
Answer: 0.5 Hz; 2 sec.

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