document.write( "Question 401476: A glacier moves with a speed of 40 nm/s.
\n" ); document.write( "How many years would it take for the
\n" ); document.write( "glacier to move 0.75 km? Assume there are
\n" ); document.write( "365 days in a year.
\n" ); document.write( "Answer in units of y.
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Algebra.Com's Answer #284116 by josmiceli(19441)\"\" \"About 
You can put this solution on YOUR website!
how many years would it take to move \"1\" km at \"1\" nm/sec?
\n" ); document.write( "\"1\" km = \"10%5E3\" m
\n" ); document.write( "\"10%5E3\" m = \"10%5E12\" nm
\n" ); document.write( "\"t%5B1%5D\" = (\"10%5E12\" nm)/(\"1\" nm/sec)
\n" ); document.write( "This is time in seconds. To get time in years, convert \"1\" sec to years
\n" ); document.write( "\"1\" sec x \"1%2F3600\" hrs/sec x \"1%2F24\" days/hr x \"1%2F365\" yrs/day = \"1%2F31536000\" yrs
\n" ); document.write( "\"1\" sec = \"3.170979%2A10%5E%28-8%29\" yrs
\n" ); document.write( "--------------------------------
\n" ); document.write( "\"t%5B1%5D%2A%281%2F40%29\" = (\"10%5E12\" nm)/(\"40\" nm/sec)
\n" ); document.write( "and
\n" ); document.write( "\"t%5B1%5D%2A%28.75%2F40%29\" = (\".75%2A10%5E12\" nm)/(\"40\" nm/sec)
\n" ); document.write( "\".01875%2At%5B1%5D+=+.01875%2A10%5E12\" sec
\n" ); document.write( "call the left side \"t\" in sec
\n" ); document.write( "\"t+=+.01875%2A10%5E12\" sec
\n" ); document.write( "\"t+=+.01875%2A10%5E12+%2A+3.170979%2A10%5E%28-8%29\" sec x yrs/sec
\n" ); document.write( "\"t+=+.0594%2A10%5E4\" yrs
\n" ); document.write( "\"t+=+594\" yrs
\n" ); document.write( "It would take 594 years
\n" ); document.write( "Whew! Hope I got it.\r
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