jerrywhite3158 jerrywhite3158

02-01-2020
Mathematics

contestada

a pulley 18 inches in diameter is driven by a belt at the rate of 90 revolutions per minute. what is the angular velocity of the pulley in radians per minute? what is the speed of the belt in feet per second?

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03-01-2020

Answer:90*2π，90/60*18/2

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