A grinding wheel is in the form of a uniform solid disk of radius $ 7.00 $ $ \text{cm} $ and mass $ 2.00 $ $ \text{kg} $. It starts from rest and accelerates uniformly under the action of the constant torque of $ 0.600 $ $ \text{N m} $ that the motor exerts on the wheel.

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

Jason · Accepted Answer

$1.03\,\text{s}$
$10.3\,\text{rev}$

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