document.write( "Question 196265: Hi!\r
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document.write( "I've become stuck on a section in this word problem that I can't seem to figure out. Can you assist me?\r
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document.write( "A woman driving a car 14 ft long is passing a truck 28 ft long. The truck is traveling at 50 mi/h. How fast must the woman drive her car so that she can pass the truck completely in 6 s, from the position shown in figure (a) to the position shown in figure (b)? [Hint: Use feet and seconds instead of miles and hours.] (Enter your answers in terms of integers or fractions.) \r
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document.write( "thanks! \n" );
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Algebra.Com's Answer #147107 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "A woman driving a car 14 ft long is passing a truck 28 ft long. The truck is traveling at 50 mi/h. How fast must the woman drive her car so that she can pass the truck completely in 6 s, from the position shown in figure (a) to the position shown in figure (b)? \n" ); document.write( "-------------------------------------------- \n" ); document.write( "50 mph(1 hr/3600 sec)(5280 ft/1 miles) = 73 1/3 ft/sec \n" ); document.write( "In 6 seconds the front/back of the bus goes 440 ft \n" ); document.write( "------- \n" ); document.write( "The back of the car must clear the front of the bus. \n" ); document.write( "The back of the car must go 14+28+440 ft = 482 ft in 6 seconds \n" ); document.write( "----------------------- \n" ); document.write( "Rate of the Car: \n" ); document.write( "r = d/t \n" ); document.write( "rate = (482 ft)/(6 sec) = 80 1/3 ft/sec \n" ); document.write( "----------------------- \n" ); document.write( "(241/3 ft/sec)(3600 sec/1 hr)(1 mile/5280 ft) = 54.77 mph. \n" ); document.write( "============================================================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |