document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=108753>Question 108753</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0321279093/algebrahomeworkh></A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> Under certain conditions, the power P, in watts per hour, generated by a windmill with winds blowing v miles per hour is given by<BR>\n" );
document.write( "    P(v)= 0.015v^3     a) find the power generated by 15-mph b) how fast must the wind blow in order to generate 120 watts of power in one hour?\r<BR>\n" );
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document.write( "I put in 15 for x on the first part. second part I left the equation solved for a and divided by 120. I don't think this resulted the correct answers, help. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #79289 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=79289\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> the power P, in watts per hour, generated by a windmill with winds blowing v miles per hour is given by<BR>\n" );
document.write( "P(v)= 0.015v^3 <BR>\n" );
document.write( "a) find the power generated by 15-mph <BR>\n" );
document.write( "P(15) = 0.015v^3 = 0.015(15^3) = 50.625 watts<BR>\n" );
document.write( "-------------------------<BR>\n" );
document.write( "b) how fast must the wind blow in order to generate 120 watts of power in one hour? <BR>\n" );
document.write( "120 = 0.015v^3<BR>\n" );
document.write( "120/0.015 = v^3<BR>\n" );
document.write( "v = 20 mph<BR>\n" );
document.write( "=============<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( " </SPAN>\n" );
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