document.write( "Question 156361: A car is traveling at a speed of 45 miles per hour. Find the angular velocity of a tire in revolutions per minute if the diameter of each rim is 13 in. with 4 in. of tire between the road surface and each rim. \n" ); document.write( "
Algebra.Com's Answer #115158 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! A car is traveling at a speed of 45 miles per hour. Find the angular velocity of a tire in revolutions per minute if the diameter of each rim is 13 in. with 4 in. of tire between the road surface and each rim. \n" ); document.write( "------------- \n" ); document.write( "Perimeter of a tire = 34(pi) in. \n" ); document.write( "--------------- \n" ); document.write( "# of inches in a mile 5280 ft(12 in/ft) = 63360 inches \n" ); document.write( "--------------- \n" ); document.write( "# of revolutions of the wheel in a mile: 63360/34pi \n" ); document.write( "================================ \n" ); document.write( "# of revolutions in an hour at 45 mph: 263459.2639 rev/hr \n" ); document.write( "---------------------------------- \n" ); document.write( "Angular velocity: 263459(360) degrees/hr \n" ); document.write( "=========================================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H.\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |