SOLVED: the linear speed L of a grinding wheel in feet per minute is given by the formula L = 3.14DR over 12, where D is the diameter of the wheel in inches and R is the rotational speed in revolutions per minute what rotational speed is needed for a 4.0 inch grinding wheel to generate a linear speed of 3800 fpm

Rise Against - Revolutions Per Minute

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Rise Against - Revolutions Per Minute