document.write( "Question 146492: Hello guys! here is my question...\r
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document.write( "A car 15 feet long overtakes a truck 30 feet long which is traveling at the rate of 45 miles per hour. How fast must the car travel to pass the truck in 3 seconds?\r
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Algebra.Com's Answer #106958 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! A car 15 feet long overtakes a truck 30 feet long which is traveling at the rate of 45 miles per hour. How fast must the car travel to pass the truck in 3 seconds? \n" ); document.write( "-------------- \n" ); document.write( "In 3 seconds the truck advances (3/3600)*45 = 0.0375 miles or 198 feet. \n" ); document.write( "The car must advance (198 + 30) = 228 ft in 3 seconds \n" ); document.write( "228ft = 0.0431818.... miles \n" ); document.write( "-------- \n" ); document.write( "EQUATION: \n" ); document.write( "Rate = d/t = 0.0431818 miles / [3/3600 hr] = 51.82 mph \n" ); document.write( "=============== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |