http://wiki.sommarmatte.se/wikis/2009/bridgecoursemechanics/index.php?action=history&feed=atom&title=Solution_18.8aSolution 18.8a - Revision history2026-05-27T20:07:55ZRevision history for this page on the wikiMediaWiki 1.11.1http://wiki.sommarmatte.se/wikis/2009/bridgecoursemechanics/index.php?title=Solution_18.8a&diff=1427&oldid=prevIan: New page: <math>\begin{align} & 2t-\frac{{{t}^{2}}}{10}=0 \\ & t\left( 2-\frac{t}{10} \right)=0 \\ & t=0\text{ or }t=20 \\ \end{align}</math> <math>t=0</math> is not of physical interest thus th...2010-10-08T18:39:20Z<p>New page: <math>\begin{align} & 2t-\frac{{{t}^{2}}}{10}=0 \\ & t\left( 2-\frac{t}{10} \right)=0 \\ & t=0\text{ or }t=20 \\ \end{align}</math> <math>t=0</math> is not of physical interest thus th...</p>
<p><b>New page</b></p><div><math>\begin{align}<br />
& 2t-\frac{{{t}^{2}}}{10}=0 \\ <br />
& t\left( 2-\frac{t}{10} \right)=0 \\ <br />
& t=0\text{ or }t=20 \\ <br />
\end{align}</math><br />
<br />
<math>t=0</math> is not of physical interest thus the answer is <math>t=20\ \text{s}</math>.</div>Ian