document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=429525>Question 429525</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The orbit of Planet A has a mean distance from teh sun of 2.7x10 7 (power) miles while the orbit of Planet B has a mean distance from the sun of 6.5 x 10 7 (Power)miles.  How long would it take a spacecraft traveling at 1.900x10 3 (Power) miles per hour to travel from the orbit of Planet A to the Orbit of Planet B.  They would like the answer in scientific notation.  \r<BR>\n" );
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document.write( "I am not good with word problems (I have a language disorder).  I tried to visualize it, but I don't really know where Planet A is from B, same side, or does it matter?  \r<BR>\n" );
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document.write( "Please help.  <BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #298337 by </B><A HREF=/tutors/aboutme.mpl?userid=richard1234><B>richard1234(7193)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richard1234><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=richard1234><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=298337\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> From the context of the question we have to assume the orbit is circular. First, we find the distance from one orbit to the other, given by <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=abs%28A-B%29 ALIGN=MIDDLE  ALT=\"abs%28A-B%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > where A and B are the respective distances from the sun. This is equal to <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=abs%282.7%2A10%5E7+-+6.5%2A10%5E7%29+=+3.8%2A10%5E7 ALIGN=MIDDLE  ALT=\"abs%282.7%2A10%5E7+-+6.5%2A10%5E7%29+=+3.8%2A10%5E7\"   DISABLED_style= \"max-width:90%; height:auto;\" > miles.\r<BR>\n" );
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document.write( "If the motion is linear and constant, then <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3.8%2A10%5E7mi+=+%281.9%2A10%5E3mi%2Fhr%29t ALIGN=MIDDLE  ALT=\"3.8%2A10%5E7mi+=+%281.9%2A10%5E3mi%2Fhr%29t\"   DISABLED_style= \"max-width:90%; height:auto;\" >, where t is the amount of time required. Isolating t, we get <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t+=+%283.8%2A10%5E7%29%2F%281.9%2A10%5E3%29+=+2%2A10%5E4hr ALIGN=MIDDLE  ALT=\"t+=+%283.8%2A10%5E7%29%2F%281.9%2A10%5E3%29+=+2%2A10%5E4hr\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "The diagram looks something like this:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=drawing%28300%2C300%2C-10%2C10%2C-10%2C10%2C%0D%0A%0D%0Alocate%280%2C0%2CSun%29%2C%0D%0Acircle%280%2C0%2C2.7%29%2C%0D%0Acircle%280%2C0%2C6.5%29%2C%0D%0Alocate%280%2C2.8%2CA%29%2C%0D%0Alocate%280%2C6.6%2CB%29%0D%0A%0D%0A%29%0D%0A ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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