Question

A simple pendulem completes 40 oscillations in 1 minute find the frequency and time period

Answer 1

40 oscillation=1min,so 1 oscillations=1/40=0.025.

Answer 2

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(1) Frequency = oscillation/Time

Frequency = 40/60

Frequency = 2/3Hz

Frequency = 0.67 Hz

(2) Time period = Time/Oscillation

Time Period = 60/40

Time Period = 3/2sec

Time Period = 1.5sec