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FrozenT [24]
3 years ago
5

Teach & help me pls?

Mathematics
1 answer:
7nadin3 [17]3 years ago
6 0
T=2π√l/g
T/2π=√l/g
(T/2π)²=l/g
g=l/(T/2π)²
g=l/T²/4π²
g=4π²l/T²

T=2π√8/2
T=2π*2
T=4π
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c=2(3.14)r

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Step-by-step explanation:

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