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The radius of the magnetic disk in a 3.5-inch diskette is 1.68 in. Find the linear speed of a point on the circumference of the disk if it is rotating at a speed of 476 rev/min. Answer in units of in/sec
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linear speed = radius x angular speed = (1.68)(476 x 2pie)/60 in/sec = 83.74223 in/sec
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