An electric motor rotating a workshop grinding wheel at a rate of 1.43 102 rev/min is switched off. Assume the wheel has a constant negative angular acceleration of magnitude 1.50 rad/s2. (a) How long does it take for the grinding wheel to stop? In rev (b) Through how many radians has the wheel turned during the interval found in (a)? In rad/s

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a To find the time it takes for the grinding wheel to stop we can use the formula Angular ... View the full answer