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      <title>ROLLER COASTER PRAC by Lizelle Swanepoel</title>
      <link>https://padlet.com/lizellexs/ya2yhvuav8snsc3x</link>
      <description></description>
      <language>en-us</language>
      <pubDate>2022-10-30 15:25:33 UTC</pubDate>
      <lastBuildDate>2024-08-23 08:24:35 UTC</lastBuildDate>
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         <title>1) Watch this video - PRAC on how to build your own roller coaster in competing teams of 8 students each in your next lesson:</title>
         <author>lizellexs</author>
         <link>https://padlet.com/lizellexs/ya2yhvuav8snsc3x/wish/2362164978</link>
         <description><![CDATA[]]></description>
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         <pubDate>2022-10-30 16:21:29 UTC</pubDate>
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         <title>2) You now, each individually, need to design your roller coaster and do calculations on paper. From here the best design (it may be yours) will be chosen to be built in the actual prac:</title>
         <author>lizellexs</author>
         <link>https://padlet.com/lizellexs/ya2yhvuav8snsc3x/wish/2362870728</link>
         <description><![CDATA[<ol><li>CHOOSE A THEME for your roller coaster and design it.&nbsp;</li><li>Show height dimensions on your sketch.</li><li>Your <strong><mark>marble</mark></strong> (used as coaster on your track) has a <strong><mark>mass of 6,5 g</mark></strong>.</li><li>Calculate potential energies and kinetic energies at the following points:</li></ol><ul><li>At the start (this initial <strong><mark>release point may not exceed 2 meters</mark></strong> high)</li><li>On the hills (not the start)</li><li>At the highest ánd lowest point of your “loop the loop”.&nbsp;<br><br>Then:</li></ul><ol><li>Calculate the final velocity of your marble at the end of the ride.&nbsp;</li><li>Do research and answer:<br>• When and where was the first roller coaster ever built?&nbsp;<br>• What is the world’s highest roller coaster?</li><li>Hand in the hard copy of your design and calculations to your teacher at the start of your prac tomorrow.&nbsp;</li></ol>]]></description>
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         <pubDate>2022-10-31 07:13:50 UTC</pubDate>
         <guid>https://padlet.com/lizellexs/ya2yhvuav8snsc3x/wish/2362870728</guid>
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         <title>ROLLER COASTER PRAC PRINT OUT</title>
         <author>lizellexs</author>
         <link>https://padlet.com/lizellexs/ya2yhvuav8snsc3x/wish/3085770969</link>
         <description><![CDATA[]]></description>
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         <pubDate>2024-08-23 08:23:28 UTC</pubDate>
         <guid>https://padlet.com/lizellexs/ya2yhvuav8snsc3x/wish/3085770969</guid>
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