Estimate how long does it take for grinding wheel to stop

Reference no: EM13497306

An electric motor rotating a workshop grinding wheel at a rate of 9.70 101 rev/min is switched off. Assume the wheel has a constant negative angular acceleration of magnitude 1.60 rad/s2.

(a) How long does it take for the grinding wheel to stop?

______ s

(b) Through how many radians has the wheel turned during the interval found in (a)?

______ rad

Reference no: EM13497306

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