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An electric fan is running on HIGH. After the LOW button is pressed, the angular speed of the fan decreases to 82.3 rad/s in 1.92

An electric fan is running on HIGH. After the LOW button is pressed, the angular speed of the fan decreases to 82.3 rad/s in 1.92 s. The magnitude of the angular deceleration is 43.7 rad/s2. Determine the initial angular speed of the fan.

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