An electric motor rotating a workshop grinding wheel at 1.18 x 102 rev/min is switched off. Assume the wheel has a constant negative angular acceleration of magnitude 1.92 rad/s². (a) How long does it take the grinding wheel to stop? (b) Through how many radians has the wheel turned during the time interval found in part (a)? rad Mole?
An electric motor rotating a workshop grinding wheel at 1.18 x 102 rev/min is switched off. Assume the wheel has a constant negative angular acceleration of magnitude 1.92 rad/s². (a) How long does it take the grinding wheel to stop? (b) Through how many radians has the wheel turned during the time interval found in part (a)? rad Mole?
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Transcribed Image Text:An electric motor rotating a workshop grinding wheel at 1.18 x 102 rev/min is switched off. Assume the wheel has a constant negative
angular acceleration of magnitude 1.92 rad/s².
(a) How long does it take the grinding wheel to stop?
(b) Through how many radians has the wheel turned during the time interval found in part (a)?
rad
Hele?
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