An electric motor rotating a grinding wheel at 100 rev/min is switched off. The wheel then moves with a constant negative angular acceleration of magnitude 2.00 rad/s2.

(a) During what time interval does the wheel come to rest?

(b) Through how many radians does it turn while it is slowing down?

Answer rating: 100% (QA)

Explanation The angular speed of the grinding wheel is w o 100revmin 100 260 ra... View the full answer