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<p>[QUOTE=&quot;Kentucky, post: 1489493, member: 33176&quot;]<font size="3"><font face="Times New Roman"><span style="color: #000000">OK, math time, someone check me:&nbsp; </span></font></font></p><p><font face="Times New Roman"><font size="3"><span style="color: #000000">Silver dollar diameter = 38.1mm = 3.81cm</span></font></font></p><p><font face="Times New Roman"><font size="3"><span style="color: #000000">Radius = 1.905cm</span></font></font></p><p><span style="color: #000000"><font face="Times New Roman"><font size="3">Face Area = </font></font><font face="Euclid Symbol"><font face="Euclid Symbol">p</font></font><font face="Times New Roman"><font size="3">r[SUP]2[/SUP] = 11.40 cm[SUP]2[/SUP]</font><font size="3"> X 2 for 2 sides = 22.80 cm</font></font>[SUP]<font face="Times New Roman"><font size="3">2</font></font>[/SUP]</span></p><p><span style="color: #000000"><font face="Times New Roman"><font size="3">Circumference = </font></font><font face="Euclid Symbol"><font face="Euclid Symbol">p</font></font><font face="Times New Roman"><font size="3">d = 11.97 cm</font></font></span></p><p><font face="Times New Roman"><font size="3"><span style="color: #000000">Thickness = 2.58 mm = 0.258 cm</span></font></font></p><p><font size="3"><span style="color: #000000"><font face="Times New Roman">Area of edge = 11.97 cm X 0.258 cm = 3.09 cm[SUP]2[/SUP]</font></span></font></p><p><font size="3"><span style="color: #000000"><font face="Times New Roman">Total area = 25.89 cm[SUP]2[/SUP]</font></span></font></p><p><font face="Times New Roman"><font size="3"><span style="color: #000000">Thickness of an Ag atom = 144 pm = 144 X 10[SUP]-12[/SUP] m = 144 X 10[SUP]-10[/SUP] cm = 1.44 X 10[SUP]-8[/SUP] cm</span></font></font></p><p><font face="Times New Roman"><font size="3"><span style="color: #000000">Assume we go 100 atoms deep for 1.44 X 10[SUP]-6[/SUP] cm</span></font></font></p><p><font size="3"><span style="color: #000000"><font face="Times New Roman">So:&nbsp; (1.44 X 10[SUP]-6[/SUP] cm)( 25.89 cm[SUP]2[/SUP]) = 0.000037 cm[SUP]3[/SUP]</font></span></font></p><p><font face="Times New Roman"><font size="3"><span style="color: #000000">At a density of 10.49 g/ cm[SUP]3[/SUP] this would be 0.0004 g</span></font></font></p><p><font face="Times New Roman"><font size="3"><span style="color: #000000">Measureable, but just barely so, and this is removing 100 atoms uniformly and assuming they are all touching.</span></font></font>[/QUOTE]</p><p><br /></p>

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