document.write( "Question 858263: A train 600 metre long passes a car running at 72 km/hr in same direction in which the train going in 10 seconds.
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document.write( "A. 108km/hr
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document.write( "B.252 km/hr
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document.write( "C.162km/hr
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document.write( "D.225 km/hr \n" );
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Algebra.Com's Answer #517210 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! A train 600 metre long passes a car running at 72 km/hr in same direction in which the train is going, in 10 seconds. \n" ); document.write( ": \n" ); document.write( "Change the speed of the car to meter/sec \n" ); document.write( " \n" ); document.write( ": \n" ); document.write( "let s = speed of the train in meter/sec \n" ); document.write( "write a distance equation, dist = speed * time \n" ); document.write( "10(s - 20 ) = 600 \n" ); document.write( "10s - 200 = 600 \n" ); document.write( "10s = 600 + 200 \n" ); document.write( "10s = 800 \n" ); document.write( "s = 800/10 \n" ); document.write( "s = 80 meters per sec \n" ); document.write( ": \n" ); document.write( "In km/hr: \n" ); document.write( ": \n" ); document.write( "I know that is none of the answers, but that's what I get \n" ); document.write( " |