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When a slice of buttered toast is accidentally pushed over the edge of a counter, it rotates as it falls. Suppose the distance to the floor is 86 cm and the toast rotates less than 1 rev. (a) What is the smallest angular speed that causes the toast to hit and then topple to be butter-side down? (b) What is the largest angular speed that causes the toast to hit and then topple to be butter-side down?

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