Science, asked by nk8241605, 11 months ago

Find the time period of a pendulum if it covers 20 oscillations in 42 seconds

1.2.0

2.2.4

3.2.1

Answers

Answered by mesonam

0

☞ 3.2.1

....................................................

Answered by sk181231

16

Answer:

your answer is 3.2.1

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