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(3) 6. A hard disk is spinning at 5400 RPM. Assume the read/write heads are already positioned at the desired cylinder. What are the best case, worst case, and average rotational delays to arrive at the desired sector for reading or writing data? (Show all work.) A small hard disk has five double-sided platters, each with its own pair of read/write heads. It is formatted with 512-byte sectors. It has 1024 tracks per platter and there are 480 sectors per track. What is the storage capacity of the disk? (Show all work) (4) 7