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A potter is shaping a bowl on a potter's wheel rotating at constant angular speed. The friction force between her hands and the clay is 1.6 N total.
A potter is shaping a bowl on a potter's wheel rotating at constant angular speed. The friction force between her hands and the clay is 1.6 N
total.
Part AHow large is her torque on the wheel, if the diameter of the bowl is 15 cm
?
Express your answer using two significant figures.
τ
= 0.12
Part BHow long would it take for the potter's wheel to stop if the only torque acting on it is due to the potter's hand? The initial angular velocity of the wheel is 1.7 rev/s
, and the moment of inertia of the wheel and the bowl is 0.25 kg⋅m
2
.
Express your answer using two significant figures.
t= ？？？
show the work please!!!!!!!
