document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1202485>Question 1202485</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a train travels 650 km in 12 hours what is the average speed in m/s </SPAN>\n" );
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document.write( "Answer: 15.046296 meters per second approximately\r<BR>\n" );
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document.write( "Work Shown:\r<BR>\n" );
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document.write( "1000 m = 1 km<BR>\n" );
document.write( "1 hr = 60 min<BR>\n" );
document.write( "1 min = 60 sec\r<BR>\n" );
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document.write( "We can use the railroad tracks conversion method.<BR>\n" );
document.write( "It's named as such because the lines somewhat resemble a railroad track. It's missing one of the metal rails, but you probably get the idea.\r<BR>\n" );
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document.write( "Check out this video for an example<BR>\n" );
document.write( "<a  rel=nofollow HREF= \"https://www.youtube.com/watch?v=QqDVJTAVaTY\">https://www.youtube.com/watch?v=QqDVJTAVaTY</a>\r<BR>\n" );
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document.write( "This is one way to draw out the railroad conversion diagram.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%0D%0Adrawing%28400%2C400%2C-5%2C5%2C-5%2C5%2C%0D%0Alocate%28-4.5%2C1%2Cmatrix%281%2C2%2C%22650%22%2C%22km%22%29%29%2C%0D%0Alocate%28-4.5%2C0.5%2Cmatrix%281%2C2%2C%2212%22%2C%22hr%22%29%29%2C%0D%0A%0D%0Alocate%28-3%2B0.2%2C1%2Cmatrix%281%2C2%2C%221000%22%2C%22m%22%29%29%2C%0D%0Alocate%28-3%2B0.2%2C0.5%2Cmatrix%281%2C2%2C%221%22%2C%22km%22%29%29%2C%0D%0A%0D%0Alocate%28-2%2B0.7%2C1%2Cmatrix%281%2C2%2C%221%22%2C%22hr%22%29%29%2C%0D%0Alocate%28-2%2B0.7%2C0.5%2Cmatrix%281%2C2%2C%2260%22%2C%22min%22%29%29%2C%0D%0A%0D%0Alocate%280.2%2C1%2Cmatrix%281%2C2%2C%221%22%2C%22min%22%29%29%2C%0D%0Alocate%280.2%2C0.5%2Cmatrix%281%2C2%2C%2260%22%2C%22sec%22%29%29%2C%0D%0A%0D%0Aline%28-4.6%2C0.6%2C1.5%2C0.6%29%2C%0D%0Aline%28-3%2C1%2C-3%2C0%29%2C%0D%0Aline%28-1.5%2C1%2C-1.5%2C0%29%2C%0D%0Aline%280.1%2C1%2C0.1%2C0%29%0D%0A%29%0D%0A ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "The placement of each term is to get the following units to cancel: km, hr, min<BR>\n" );
document.write( "The goal is to be left with \"meters\" up top and \"seconds\" down below.<BR>\n" );
document.write( "The first column is our given data. <BR>\n" );
document.write( "The last three columns are the equations I mentioned earlier. Eg: 1000 m = 1 km. These equations are either memorized, or written on a reference sheet.\r<BR>\n" );
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document.write( "From here we multiply across the top<BR>\n" );
document.write( "650*1000*1*1 = 650,000<BR>\n" );
document.write( "do the same across the bottom<BR>\n" );
document.write( "12*1*60*60 = 43,200\r<BR>\n" );
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document.write( "Divide the results<BR>\n" );
document.write( "(650,000)/(43,200) = 15.046296 meters per second approximately is the final answer.\r<BR>\n" );
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document.write( "Another conversion problem<BR>\n" );
document.write( "<a  rel=nofollow HREF= \"https://www.algebra.com/algebra/homework/Percentage-and-ratio-word-problems/Percentage-and-ratio-word-problems.faq.question.1200497.html\">https://www.algebra.com/algebra/homework/Percentage-and-ratio-word-problems/Percentage-and-ratio-word-problems.faq.question.1200497.html</a><BR>\n" );
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