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10 June, 06:55

Find the length of a pendulum that makes one swing in 3 s. The equation for the time of one swing of a pendulum is T = 2pi sqrt (L/32), where T is the time in seconds and L is the length in feet. Round to the nearest hundredth.

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  1. 10 June, 09:48
    0
    7.30

    Step-by-step explanation:

    T = 2π √ (L/32)

    3 = 2π √ (L/32)

    3 / (2π) = √ (L/32)

    (3 / (2π)) ² = L/32

    L = 32 (3 / (2π)) ²

    L ≈ 7.30
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