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The angular acceleration of a wheel is a = 7.0tª – 4.0t², with a in radians per second-squared and t in seconds. At time t = 0, the wheel
has an angular velocity of +4 rad/s and an angular position of +1 rad. Write expressions for (a) the angular velocity (rad/s) and (b) the
angular position (rad) as functions of time (s).
(a) Number
t5.
Units
(b) Number
t6.
t+
i
Units

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