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A pendulum makes 40 vibrations in 20 seconds. calculate it's period?
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3 votes
A pendulum makes 40 vibrations in 20 seconds. calculate it's period?

User Noveyak
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2 Answers

6 votes
The period is how long it takes for something to repeat. 40 vibrations repeat in 20 seconds so 1 vibration will take 0.5 seconds to repeat.
User Bdereta
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7.5k points
3 votes

(20 seconds / 40 vibes) = (20/40) (seconds/vibe) = 0.5 second
User Oluies
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