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Natalka [10]
2 years ago
12

A pendulum oscillates 12 times in 4 seconds. what is the length of the pendulum?

Physics
1 answer:
seraphim [82]2 years ago
6 0

Answer:

L = 2.8 cm

Explanation:

Period T = 4 / 12 = 1/3 s

T = 2π√(L/g)

L = (T/2π)²g

L = ((1/3)/2π)²9.8 = 0.02758... ≈ 2.8 cm

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