document.write( "Question 801507: The wheels on a certain bicycle have a radius of 13.2 inches. Suppose the wheels roll at 150 revolutions per minute along flat ground without slipping. How fast is the bicycle moving in miles per hour?\r
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document.write( "The question then hints to convert revolutions to radians per minute, but I am unsure how to do this and any help on what to do to get the answer would be greatly appreciated! Thank you! \n" );
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Algebra.Com's Answer #843722 by ikleyn(52786)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( "The wheels on a certain bicycle have a radius of 13.2 inches. Suppose the wheels roll \n" ); document.write( "at 150 revolutions per minute along flat ground without slipping. \n" ); document.write( "How fast is the bicycle moving in miles per hour? \n" ); document.write( "The question then hints to convert revolutions to radians per minute, but I am unsure \n" ); document.write( "how to do this and any help on what to do to get the answer would be greatly appreciated! Thank you! \n" ); document.write( "~~~~~~~~~~~~~~~~\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " The answer in the post by @mananth is incorrect.\r \n" ); document.write( "\n" ); document.write( " I came to bring a correct solution/answer.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \r\n" ); document.write( "bicycle radius of 13.2 inches. \r\n" ); document.write( "\r\n" ); document.write( "One revolution covers a distance 2pir = 2*pi*13.2 inches.\r\n" ); document.write( "150 revolutions per minute cover\r\n" ); document.write( "\r\n" ); document.write( " 150*2*pi*13.2 inches/minute = 12440.707 inches/minute.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "1 mile =63360 inches\r\n" ); document.write( "1 hour = 60 minutes\r\n" ); document.write( "\r\n" ); document.write( "So, 150 revolutions per minute is the same speed as\r\n" ); document.write( "\r\n" ); document.write( "\r \n" ); document.write( "\n" ); document.write( "Solved, giving a correct answer.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |