document.write( "Question 1014151: A truck with 54-in.-diameter wheels is traveling at 45 mi/h.\r
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document.write( "How many revolutions per minute do the wheels make? \r
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document.write( "PLEASE HELP ME!!! \n" );
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Algebra.Com's Answer #630502 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! 54 inch diameter wheels are 54*pi inches in circumference or 54*pi/12 feet per revolution. \n" ); document.write( "at 45 mph, the vehicle is moving at 66 feet per second or 3960 feet per minute. \n" ); document.write( "3960 feet per minute/4.5*pi feet per revolution. Units are revolution per minute. \n" ); document.write( "315.13 revs per minute. \n" ); document.write( " |