A wheel initially at rest begins rotating because of a constant angular acceleration. During a certain...

 

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A wheel initially at rest begins rotating because of a constant angular acceleration. During a certain interval AT = 13s, the wheel goes through 84 rev and reaches an angular speed of 11 rev/s. (a) What was its angular speed at the beginning of AT? (b) How much time elapsed between the beginning of the rotation and the beginning of AT? (a) Number i Units (b) Number i Units A wheel initially at rest begins rotating because of a constant angular acceleration. During a certain interval AT = 13s, the wheel goes through 84 rev and reaches an angular speed of 11 rev/s. (a) What was its angular speed at the beginning of AT? (b) How much time elapsed between the beginning of the rotation and the beginning of AT? (a) Number i Units (b) Number i Units