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October 20, 2014

October 20, 2014

Posted by **Edward** on Wednesday, July 11, 2012 at 12:18pm.

- physics -
**MathMate**, Wednesday, July 11, 2012 at 6:59pmacceleration, 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

g=rω²=r(πx/30)²

Solve for x.

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