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April 20, 2014

Homework Help: math

Posted by emma on Saturday, May 4, 2013 at 6:13pm.

Assuming that a table saw blade has a diameter of 12 inches and spins at 3450 revolutions per minute (RPMs),determine how fast the tip of the teeth of the saw blade are traveling in miles per hour.

Answer:
3450/12= 287.5 RPMs
287.5 min/60 mins = 1 hr
=4.8 RP/HR

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