document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=36560>Question 36560</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a)	<BR>\n" );
document.write( "2)	Suppose you throw a baseball straight up at a velocity of 32 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 ½g, the gravitational pull due to gravity (measured in feet per second 2). <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( "Answer:  \r<BR>\n" );
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document.write( "b)	The ball will be how high above the ground after 1 second?<BR>\n" );
document.write( "Answer:  <BR>\n" );
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document.write( "c)	How long will it take to hit the ground?<BR>\n" );
document.write( "Answer:  <BR>\n" );
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document.write( "d)	What is the maximum height of the ball?<BR>\n" );
document.write( "Answer:  <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 #22460 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=22460\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 2) Suppose you throw a baseball straight up at a velocity of 32 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 ½g, the gravitational pull due to gravity (measured in feet per second 2). <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( "Answer: <BR>\n" );
document.write( "s(t)= -16t^2+32t\r<BR>\n" );
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document.write( "b) The ball will be how high above the ground after 1 second?<BR>\n" );
document.write( "Answer: <BR>\n" );
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document.write( "s(1)=-16+32=16 ft. above the ground\r<BR>\n" );
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document.write( "c) How long will it take to hit the ground?<BR>\n" );
document.write( "\"Hit the ground\" means the distance above the ground is \"0\".<BR>\n" );
document.write( "0=-16t^2+32t<BR>\n" );
document.write( "0=-16t(t-2)<BR>\n" );
document.write( "t=0 and t=2<BR>\n" );
document.write( "The ball will be on the ground at time t=0 and time t=2 sec.\r<BR>\n" );
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document.write( "d) What is the maximum height of the ball?<BR>\n" );
document.write( "Answer: <BR>\n" );
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document.write( "The maximum occurs when t=-b/2a=-32/[(2)(-16)]= 1 sec. \r<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. \r<BR>\n" );
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