document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=24750>Question 24750</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 3)	Suppose you throw a baseball straight up at a velocity of 64 feet per second. A function can be created by expressing distance above the ground, s, as a function of time, t. This function is s = -16t2 + v0t + s0 <BR>\n" );
document.write( "•	16 represents 1/2g, the gravitational pull due to gravity (measured in feet per second2). <BR>\n" );
document.write( "•	v0 is the initial velocity (how hard do you throw the object, measured in feet per second).<BR>\n" );
document.write( "•	s0 is the initial distance above ground (in feet). If you are standing on the ground, then s0 = 0.<BR>\n" );
document.write( "a)	What is the function that describes this problem?<BR>\n" );
document.write( "b)	The ball will be how high above the ground after 1 second?<BR>\n" );
document.write( "c)      How long will it take to hit the ground? What is the maximum height of the ball?  What time will the maximum height be attained? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #13205 by </B><A HREF=/tutors/aboutme.mpl?userid=rapaljer><B>rapaljer(4671)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rapaljer><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=rapaljer><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=13205\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a) s(t) = -16t^2 + 64t \r<BR>\n" );
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document.write( "b) s(1) = -16(1)^2 + 64(1) = 48 feet\r<BR>\n" );
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document.write( "c) s(t) = 0 at ground level, so <BR>\n" );
document.write( "-16t^2 + 64 t= 0\r<BR>\n" );
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document.write( "Solve by factoring the common factor of -16t:<BR>\n" );
document.write( "-16t ( t - 4) = 0<BR>\n" );
document.write( "t= 0 or t= 4\r<BR>\n" );
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document.write( "Time to reach the ground is from t= 0 to t=4 which is 4 seconds.\r<BR>\n" );
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document.write( "Maximum height will be halfway between t=0 and t=4, which is t= 2 seconds to reach the maximum height.  Maximum height will be <BR>\n" );
document.write( "s(t) = -16t^2 + 64 t<BR>\n" );
document.write( "s(2) = -16(2)^2 + 64(2)<BR>\n" );
document.write( "s(2) = -64 + 128 = 64 feet\r<BR>\n" );
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document.write( "R^2 at SCC  </SPAN>\n" );
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