document.write( "Question 954712: How long is the train?\r
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document.write( "A train moving 45 kilometres per hour meets and is passed by a train moving 36 kilometres per hour. A passenger in the first train sees the second train take 6 seconds to pass him. How long is the second train? \n" );
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Algebra.Com's Answer #583112 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! A train moving 45 kilometres per hour meets and is passed by a train moving 36 kilometres per hour. \n" ); document.write( " A passenger in the first train sees the second train take 6 seconds to pass him. \n" ); document.write( " How long is the second train? \n" ); document.write( ": \n" ); document.write( "The relative speed of the two trains is 45 + 36 = 81 km/h \n" ); document.write( ": \n" ); document.write( "At this speed how far can it go in 6 sec \n" ); document.write( ": \n" ); document.write( " \n" ); document.write( "6 * 22.5 = 135 meters is the length of the 2nd train \n" ); document.write( " |