A pendulum takes 0.25 s to swing from right to left. What is its frequency of oscillation?a. 1.0 Hz c. 2.0 Hzb. 3.0 Hz d. 4.0 Hz
Question
A pendulum takes 0.25 s to swing from right to left. What is its frequency of oscillation?a. 1.0 Hz c. 2.0 Hzb. 3.0 Hz d. 4.0 Hz
Solution
The frequency of oscillation is the reciprocal of the period of oscillation. The period of oscillation is the time it takes for one complete cycle of motion. In this case, the pendulum takes 0.25 seconds to swing from right to left, but a complete cycle includes a swing from right to left and back to right. So, the period of oscillation is 0.25 s * 2 = 0.5 s.
The frequency (f) is given by f = 1/T, where T is the period of oscillation.
So, f = 1/0.5 = 2.0 Hz.
Therefore, the frequency of oscillation of the pendulum is 2.0 Hz (option c).
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