An electric motor rotating a workshop grinding wheel at a


An electric motor rotating a workshop grinding wheel at a rate of 1.16 x 102 rpm is switched off. Suppose the wheel has a constant negative angular acceleration of magnitude 2.40 rad/s2.

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

s

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

rad

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Physics: An electric motor rotating a workshop grinding wheel at a
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