SOLUTION: A steel roller is 4ft. long and 30 in. in diameter. what area will it cover in rolling through 250 revolutions?
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Question 1033147: A steel roller is 4ft. long and 30 in. in diameter. what area will it cover in rolling through 250 revolutions?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
One revolution would move through the length of the circumference of the roll.
So that area would be,
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So then 250 revolutions would be,
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