document.write( "Question 1143342: A train running at a speed of 72 km/hr takes 25 seconds to cross an electric pole.
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Algebra.Com's Answer #764134 by math_helper(2461) $\"\"$ $\"About$

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document.write( "I'd first convert km/hr to m/s (meters/sec):
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document.write( "72km/hr = 72km/hr * (1hr/3600sec) * (1000m/km) = 20 m/s\r
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document.write( "20m/s * 25s =   (about 1640.4 ft long) \n" );
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