document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=388744>Question 388744</A>: <I><SPAN STYLE=\"word-break: break-all;\"> An automobile is travel1ing at 16 m/s. The driver perceives a need to stop and appIies the brakes producing a (negative) acceleration of 4.0 m/S^2. Take the reaction time of the driver, the time to move from the go pedal to the stop pedal, as 1,0 s.<BR>\n" );
document.write( "How far does it take for the car to stop? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #275123 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=275123\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Split this into two parts: the time that the car is going at a constant speed, and the time that the car is decelerating.\r<BR>\n" );
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document.write( "With the driver's reaction time 1 second, the car travels 16 m since it is going at 16 m/s.\r<BR>\n" );
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document.write( "After, the car decelerates with an acceleration of -4 m/s^2. Since v = at + v_0,\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0+m%2Fs+=+%28-4+%28m%2Fs%5E2%29%29t+%2B+16+m%2Fs ALIGN=MIDDLE  ALT=\"0+m%2Fs+=+%28-4+%28m%2Fs%5E2%29%29t+%2B+16+m%2Fs\"   DISABLED_style= \"max-width:90%; height:auto;\" > --> t = 4 seconds. Using the equation\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=X+=+%281%2F2%29at%5E2+%2B+%28v_0%29t+%2B+x_0 ALIGN=MIDDLE  ALT=\"X+=+%281%2F2%29at%5E2+%2B+%28v_0%29t+%2B+x_0\"   DISABLED_style= \"max-width:90%; height:auto;\" > we plug in values a = -4 m/s^2, t = 4 s, v_0 = 16 m/s, x_0 = 16 m (since the car already traveled 16 m)\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=X+=+%281%2F2%29%28-4+%28m%2Fs%5E2%29%29%284+s%29%5E2+%2B+%2816+m%2Fs%29%284+s%29+%2B+16+m ALIGN=MIDDLE  ALT=\"X+=+%281%2F2%29%28-4+%28m%2Fs%5E2%29%29%284+s%29%5E2+%2B+%2816+m%2Fs%29%284+s%29+%2B+16+m\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=X+=+48+m ALIGN=MIDDLE  ALT=\"X+=+48+m\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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