As you finish listening to your favorite compact disc (CD), the CD in the player

Question

As you finish listening to your favorite compact disc (CD), the CD in the player slows down to a stop. Assume that the CD spins down with a constant angular acceleration

Express your answer in radians per second squared.

As you finish listening to your favorite compact disc (CD), the CD in the player slows down to a stop. Assume that the CD spins down with a constant angular acceleration If the CD rotates clockwise at 500rpm rpm (revolutions per minute) while the last song is playing, and then spins down to zero angular speed in 2.60s s with constant angular acceleration, what is ? alpha, the magnitude of the angular acceleration of the CD, as it spins to a stop? Express your answer in radians per second squared.

Explanation / Answer

The total angle covered in the deceleration is given by ?= 0.5*?*t

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