document.write( "Question 933278: A man is walking at an average speed of 4 miles per hour alongside a railroad track. A freight train, going in the same direction at an average speed of 30 miles per hour, requires 5 seconds to pass the man. How long is the freight train? Give your answer in feet \n" ); document.write( "
Algebra.Com's Answer #566727 by mananth(16946)![]() ![]() You can put this solution on YOUR website! Man's speed = 4 mph\r \n" ); document.write( "\n" ); document.write( "train speed = 30 mph\r \n" ); document.write( "\n" ); document.write( "difference in speed = 30-4 = 26 mph ( same direction)\r \n" ); document.write( "\n" ); document.write( "d= r * t\r \n" ); document.write( "\n" ); document.write( "d= 26 * 5/3600\r \n" ); document.write( "\n" ); document.write( "0.0361 miles\r \n" ); document.write( "\n" ); document.write( "0.0361*5280 = length of train in feet\r \n" ); document.write( "\n" ); document.write( "190.67 feet \n" ); document.write( " |