Related Rates Clock

Vary the time to illustrate the following related rates problem: the minute hand on a clock is 8 mm long and the hour hand is 4 mm long. How fast is the distance between the tips of the hands changing at one o'clock?

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DETAILS

J. Stewart, Calculus: Early Transcendentals, 4th ed., New York: Brooks/Cole Publishing Company, 1999 p. 249, #36.

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