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how many RPM are required to attain 1g with a radius of 840 feet

  • physics -

    acceleration, a = rω² ft/s²
    g=32.2 ft/s²
    1 RPM = 2π rad/60 s
    =π/30 rad/s

    Let x=RPM required, then
    ω=πx/30 rad/s
    You need

    Solve for x.

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