document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1181762>Question 1181762</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Modern  Oil tankers weigh more than a half - million tons and have a length of up to one fourth -  mile. Such massive ships require a distance of 5.0 km ( about 3.0 mi )  And a time of 20 minutes to come to a stop from top speed of 30 km/h <BR>\n" );
document.write( "A. What is the magnitude of such a ship's average acceleration in m/s² <BR>\n" );
document.write( " and coming to a stop ? <BR>\n" );
document.write( "B. What is the magnitude of the ship's average velocity in m/s ? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #849966 by </B><A HREF=/tutors/aboutme.mpl?userid=CPhill><B>CPhill(1959)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=CPhill><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=CPhill><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=849966\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Here's how to calculate the average acceleration and velocity:\r<BR>\n" );
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document.write( "**A. Average Acceleration**\r<BR>\n" );
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document.write( "1. **Convert units:**<BR>\n" );
document.write( "   * Initial speed (vᵢ) = 30 km/h * (1000 m/km) * (1 h/3600 s) = 8.33 m/s<BR>\n" );
document.write( "   * Final speed (v_f) = 0 m/s (since it comes to a stop)<BR>\n" );
document.write( "   * Time (t) = 20 minutes * (60 s/minute) = 1200 s\r<BR>\n" );
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document.write( "2. **Calculate average acceleration:**<BR>\n" );
document.write( "   Average acceleration (a) = (v_f - vᵢ) / t = (0 m/s - 8.33 m/s) / 1200 s ≈ -0.00694 m/s²\r<BR>\n" );
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document.write( "3. **Magnitude of acceleration:**<BR>\n" );
document.write( "   The magnitude is the absolute value of the acceleration.  |a| ≈ 0.00694 m/s²\r<BR>\n" );
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document.write( "**B. Average Velocity**\r<BR>\n" );
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document.write( "1. **Calculate average velocity:**<BR>\n" );
document.write( "   Average velocity (v_avg) = (vᵢ + v_f) / 2 = (8.33 m/s + 0 m/s) / 2 ≈ 4.17 m/s\r<BR>\n" );
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document.write( "**Answers:**\r<BR>\n" );
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document.write( "*   **A. Magnitude of average acceleration:** Approximately 0.00694 m/s²<BR>\n" );
document.write( "*   **B. Magnitude of average velocity:** Approximately 4.17 m/s<BR>\n" );
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