Asked by Muneer
A town clock has an hour hand that is 60 cm long. How many cm does the tip of the hand move each second?
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It takes the hour hand 12 hrs to go around the clock. This is equal to 12*3600 or 43200 seconds. Therefore, each second the hand moves 1/43200th of the way around a circle, or 2pi/43200 radians.
Using the equation x = r * theta, you can get x = 60 * 2 * pi / 43200, or 0.008727 cm.
Using the equation x = r * theta, you can get x = 60 * 2 * pi / 43200, or 0.008727 cm.
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