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Coulomb Force: Put it together --- Coulomb's Law
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Qian, when you hit the reset button, it grays out the run button. I don't think we want that. Also, can you add a hint button to the textbox above that talks about the directionality being represented on the graph. Fix the scale of the graph.
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<font face="Verdana, Arial, Helvetica, sans-serif" size="5" color="#FFFFFF"><strong>Coulomb Force:</strong> Put it together --- Coulomb's Law</font>
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<td><img src="chargeMainIdea.png" width="98" height="58"></td>
<td><font face="Verdana, Arial, Helvetica, sans-serif" size="4">Coulomb's Law can be described mathematically: an interaction between two charged particles is proportional to the product of the charges
divided by the square of the distance between them.</td>
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-282012
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In the model below the charge of the purple atom is Q1, the charge of the
green atom is Q2 and the distance (r) can be seen in the gray box.<br><br>
<ul>
<li>
Click the "Run" button and the model will create a graph of the
Coulomb force as the distance changes.
</li>
<li>
Reset the model by clicking the "Reset" button.
</li>
<li>
Change the charge of the purple atom.
</li>
<li>
Observe how it changes the graph.
</li>
</ul>
</body>
</html>
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<body marginheight="4" marginwidth="4" face="Verdana">
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Control Panel<br><br><input value="Run" type="submit" selfscript="enablecomponent 0 false;enablecomponent 1 true;" alt="tooltip" script="script:mw2d:1:run;" name="button name"><input type="submit" value="Stop" alt="tooltip" selfscript="enablecomponent 0 true;enablecomponent 1 false;" script="script:mw2d:1:stop;" name="button name"><input type="submit" value="Reset" alt="tooltip" selfscript="enablecomponent 0 false;enablecomponent 1 true;selectcombobox 0 0;" script="script:mw2d:1:reset;" name="button name"><br><br>
<select script4="script:mw2d:1:set %atom[0].charge -2;set textbox[2].text <t>Q1=-2</t>;" script3="script:mw2d:1:set %atom[0].charge -3;set textbox[2].text <t>Q1=-3</t>;" script2="script:mw2d:1:set %atom[0].charge -4;set textbox[2].text <t>Q1=-4</t>;" script1="script:mw2d:1:set %atom[0].charge -5;set textbox[2].text <t>Q1=-5</t>;" name="combo box name" script5="script:mw2d:1:set %atom[0].charge -1;set textbox[2].text <t>Q1=-1</t>;">
<option selected>Q1=-5
<option>Q1=-4
<option>Q1=-3
<option>Q1=-2
<option>Q1=-1
</select>
</center>
</body>
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Distance (nm)
Coulomb Force
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<strong><font face="Arial, Helvetica, sans-serif" size="4">If the Q1 is -3
and Q2 =1 what is the Coulomb force when the distance is 1 nm? </font></strong>
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<strong><font face="Arial, Helvetica, sans-serif" size="4">If the Q1 is -5
and Q2 = 1 what is the Coulomb force when the distance is 2 nm? </font></strong>
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<td>
<img width="14" src="topNavBarLeftMargin.jpg" height="26">
<font><a href="page4.cml"><img width="60" src="prev.jpg" border="0" height="26">
</a><a href="page6.cml"><img width="59" src="next.jpg" border="0" height="26">
</a></font>
</td>
<td align="right">
<img width="54" src="page.jpg" height="26">
<font><a href="index.cml"><img width="46" src="index.jpg" border="0" height="26">
</a><a href="page1.cml"><img width="28" src="page1.jpg" border="0" height="26">
</a><a href="page2.cml"><img width="28" src="page2.jpg" border="0" height="26">
</a><a href="page3.cml"><img width="28" src="page3.jpg" border="0" height="26">
</a><a href="page4.cml"><img width="29" src="page4.jpg" border="0" height="26">
</a><a href="page5.cml"><img width="28" src="page5Selected.jpg" border="0" height="26">
</a><a href="page6.cml"><img width="28" src="page6.jpg" border="0" height="26">
</a><a href="page7.cml"><img width="28" src="page7.jpg" border="0" height="26">
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