A wheel rotating about afixed axis through its center has a


A wheel rotating about afixed axis through its center has a constant angular accelerationof 9.9 rad/s2. In a certain 7.0 s interval the wheelturns through an angle of 320 rad. (a) What is the angular velocity of the wheel at the start of the 7.0 s interval? (b) Assuming that the wheel started from rest, howlong had it been in motion at the start of the 7.0 sinterval?

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Physics: A wheel rotating about afixed axis through its center has a
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