The angular acceleration of a wheel is α = 8.0t4 – 7.0t2, with α in radians per second-squared and t in seconds. At time t = 0, the wheel has an angular velocity of + 2 rad/s and an angular position of + 2 rad. Write expressions for (a) the angular velocity (rad/s) and (b) the angular position (rad) as functions of time (s)

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