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A grinding wheel is in the form of a uniform solid disk of radius 7.00 cm and mass 2.00 kg. It starts from rest and accelerates uniformly under the action of the constant torque of 0.600 N · m that the motor exerts on the wheel.
(a) How long does the wheel take to reach its final operating speed of 1200 revs/min?
(b) Through how many revolutions does it turn while accelerating?
A grinding wheel is in the form of a uniform solid disk of radius 7.00 cm and mass 2.00 kg. It starts from rest and accelerates uniformly under the action of the constant torque of 0.600 N · m that the motor exerts on the wheel.
(a) How long does the wheel take to reach its final operating speed of 1200 revs/min?
(b) Through how many revolutions does it turn while accelerating?
Ankit LalLv10
25 Nov 2020
