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7 October, 15:22

When a 2 kg mass is hung on a vertical spring, it extends the spring by 2.00 m. what is the angular velocity ω (in rads/s) of the mass when it oscillates back and forth on this spring?

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  1. 7 October, 17:32
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    Using g = 9.81 m/s²:

    By Hooke's law:

    F = kx

    k = F/x

    k = (2 x 9.81) / 2

    k = 2 N/m

    ω = √ (k/m)

    ω = √ (2/2)

    ω = 1 rad/s
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