A pendulum swings through 10 cycles in 2 seconds. The frequency of the pendulum is
A) 10 Hz.
B) 5 Hz.
C) 2 Hz.
D) 0.5 Hz.
E) 0.1 Hz.

Name: A pendulum swings through 10 cycles in 2 seconds. The frequency of the pendulum is A) 10 Hz. B) 5 Hz. C) 2 Hz. D) 0.5 Hz. E) 0.1 Hz.
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Question

Quizplus · Accepted Answer

Frequency is the number of cycles per second. In this case, we have 10 cycles in 2 seconds, which means the frequency is 10/2 = 5 Hz. Therefore, the correct answer is B.

A Pendulum Swings Through 10 Cycles in 2 Seconds