document.write( "Question 763606: A train moving at 49 mph meets and is passed by a train moving at 63 mph. A passenger in the first train noted that the second train took 4.5 seconds to pass him. How long is the second train? \n" ); document.write( "
Algebra.Com's Answer #464990 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! A train moving at 49 mph meets and is passed by a train moving \n" ); document.write( " at 63 mph. \n" ); document.write( "A passenger in the first train noted that the second train took \n" ); document.write( " 4.5 seconds to pass him. \n" ); document.write( "How long is the second train? \n" ); document.write( ": \n" ); document.write( "The effective speed between the trains: 49 + 63 = 112 mph \n" ); document.write( "Assume the passenger is stationary and the 2nd train is passing him \n" ); document.write( "at 112 mph \n" ); document.write( ": \n" ); document.write( "Find the speed in ft/sec, mult by 4.5 sec \n" ); document.write( " |