document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=184399>Question 184399</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The height h(in feet) of an object that is dropped from the height of s feet is given by the formula h=s-16t^s, where t is the time the object has been falling. A 5ft woman on a side walk looks directly over head and sees a window washer drop a bottle from the 3 story. How long does she have to get out of the way? Round to the nearest tenth. A story is 12ft.\r<BR>\n" );
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document.write( "a) 1.9seconds<BR>\n" );
document.write( "b) 1.4seconds<BR>\n" );
document.write( "c) 1.7seconds<BR>\n" );
document.write( "d) 1.3seconds\r<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 #138403 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=138403\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The height h(in feet) of an object that is dropped from the height of s feet is given by the formula h=s-16t^s, where t is the time the object has been falling. A 5ft woman on a sidewalk looks directly over head and sees a window washer drop a bottle from the 3 story. How long does she have to get out of the way? Round to the nearest tenth. A story is 12ft. <BR>\n" );
document.write( "a) 1.9seconds<BR>\n" );
document.write( "b) 1.4seconds<BR>\n" );
document.write( "c) 1.7seconds<BR>\n" );
document.write( "d) 1.3seconds <BR>\n" );
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document.write( "h(t) = s - 16t^2<BR>\n" );
document.write( "Let height be 5 ft since the lady is 5 ft tall.<BR>\n" );
document.write( "5 = 36 - 16t^2 and solve for \"t\".<BR>\n" );
document.write( "16t^2 -31 = 0<BR>\n" );
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document.write( "t^2 = 31/16<BR>\n" );
document.write( "Positive solution:<BR>\n" );
document.write( "t = sqrt(31)/4 = <BR>\n" );
document.write( "t = 1.39 seconds<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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