Question

a pendulum oscillates 30 times in 10 seconds, its frequency is *

Answer 1

Answer:

3 hertz

Explanation:

frequency= no. of occilations/ time

Answer 2

Question:
A pendulum oscillates 30 times in 10 seconds, its frequency is

Answer:
No. of oscillations: 30
Time Taken: 10 seconds
Frequency of a pendulum=
No. of oscillations/ Time Taken
= 30/10= 3 hertz.
Hence, frequency of pendulum is 3 hertz.

Remarks:
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