# Physics

What is the magnitude of the acceleration of a speck of clay on the edge of a potter's wheel turning at 44 rpm (revolutions per minute) if the wheel's diameter is 31 cm?

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1. Radius = R = 0.31/2 meter
omega = angular velocity = 44 revs/min * 1 min/60 s * 2 pi rad/rev
so
Ac = omega^2 R = (4.61)^2 ^ 0.155

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