Find the constant tangential speed at which music detected

Reference no: EM13336022

A compact disc (CD) contains music on a spiral track. Music is put onto a CD with the assumption that, during playback, the music will be detected at a constant tangential speed at any point. Since vT = r?, a CD rotates at a smaller angular speed for music near the outer edge and a larger angular speed for music near the inner part of the disc. For music at the outer edge (r = 0.0568 m), the angular speed is 3.50 rev/s.

(a) Find the constant tangential speed at which music is detected.

m/s

(b) Find the angular speed (in rev/s) for music at a distance of 0.0410 m from the center of a CD.

rev/s

Reference no: EM13336022

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