document.write( "Question 285959: What is the distance I can travel by car in .82 seconds at the rate of 26mph? \n" ); document.write( "
Algebra.Com's Answer #207352 by oberobic(2304) ![]() You can put this solution on YOUR website! 1 hr = 3600 seconds \n" ); document.write( ". \n" ); document.write( "26 miles/hr = 26 miles/1 hr = 26 miles/3600 seconds = .0072222 miles/second \n" ); document.write( ". \n" ); document.write( ".82 seconds * .0072222 miles/sec = .0059222 miles \n" ); document.write( ". \n" ); document.write( "That is not a very help measure, but we can multiply by 5280 ft/mile to get a better answer. \n" ); document.write( ". \n" ); document.write( "5280 ft/mile * .059222 miles = 31.2693 ft \n" ); document.write( ". \n" ); document.write( "As a quick reasonableness check, in school I memorized that 60 mi/hr = 88 ft/sec. \n" ); document.write( "So in round numbers, 26 mph is about 30 mph = about 44 ft/sec. \n" ); document.write( "And .82 is about .75 or 3/4 of a second. \n" ); document.write( "3/4 of 44 = 33 \n" ); document.write( ". \n" ); document.write( "Answer: \n" ); document.write( "The car travels about 31.2693 ft in .82 seconds at 26 mph. \n" ); document.write( ". \n" ); document.write( "Done \n" ); document.write( " |