(Answered) A motorized wheel is spinning with a rotational velocity of

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A motorized wheel is spinning with a rotational velocity of ω0 = 1.41 rad/s. At t = 0 s, the operator switches the wheel to a higher speed setting. The rotational velocity of the wheel at all subsequent times is given by where c = 1.5574 and b = 6.97 s^-2.

w(t)=w0*atan(c+b*t^2)

At what time, tamax, is the rotational acceleration a maximum?

What is the maximum tangential acceleration, at, of a point on the wheel a distance R = 1.17 m from its center?

What is the magnitude of the total acceleration of this point?

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