Electric motor rotating a workshop grinding wheel
An electric motor rotating a workshop grinding wheel at a rate of 85 rev/min is switched off. Assume the wheel has a constant negative angular acceleration of magnitude 2.20 rad/s2.
(a) How long does it take for the grinding wheel to stop?
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An electric motor rotating a workshop grinding wheel at a rate of 85 rev/min is switched off. Assume the wheel has a constant negative angular acceleration of magnitude 2.20 rad/s2
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Ascorbic acid is often used to keep dried fruits from browning. From what you have learned by doing the experiment, how can you explain the ability of ascorbic acid to function the bleaching agent?
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