<html xmlns="http://www.w3.org/1999/xhtml"><head>
        <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
        <meta name="viewport" content="width=device-width, height=device-height, initial-scale=0.5, minimum-scale=0.5, user-scalable=yes, maximum-scale=2.0, target-densitydpi=device-dpi" />
				<meta name="robots" content="all"/>
        <meta name="description" content="description">
        <meta name="keywords" content="">
        <title>Page 239 - ulum_g10</title>
<style type="text/css">
<!--
body {
	margin-left: 0px;
	margin-top: 0px;
	margin-right: 0px;
	margin-bottom: 0px;
}
  
#container {margin:50px auto;padding:0px;width:910px;}
#left-button{ width:90px; height:100%;float:left }
#middle{ width:730px; margin:0px; float: left;}
#right-button{ width:90px; float:left;}
html, body, div, ul, li, dl, dt, dd, h1, h2, h3, h4, h5, h6, form, input, dd,select, button, textarea, iframe, table, th, td { margin: 0; padding: 0; }
img { border: 0 none; displayblock}
span,ul,li,image{ padding:0px; margin:0px; list-style:none;}
#top-title{ width:714px; margin-bottom:10px; float:left; padding:0px 8px}
#top-title2{ width:320px;  float:right;}
#content{ width: 730px; float:left;float:left;word-wrap: break-word;}
#content-top{ width:730px; background-image:url(images/top_bg.jpg); height:56px; background-repeat:no-repeat; float:left;}
#content-top1{ width:70%; padding:16px 0px 0px 30px; font-family:Arial, Helvetica, sans-serif; font-size:24px; color:#636363;float:left;}
#content-top2{ width:60px; float:right; padding:25px 30px 0px 0px;font-family:Arial, Helvetica, sans-serif; font-size:11px; color:#2f2f2f; font-weight:bold; text-align:right}
#content-middle{ width:730px; background-image:url(images/middle_bg.jpg); background-repeat:repeat-y;float:left;}
#content-middle1{ width:475px; padding:25px 0px 25px 35px; font-family:Arial, Helvetica, sans-serif; font-size:12px; color:#636363; line-height:150%;float:left;}
#content-middle2{  padding:7px; float:right; margin:25px 35px 0px 0px; border:solid 1px #c8c8c9; background-color:#FFF; text-align:center}
#content-bottom{ width:730px; background-image:url(images/bottom_bg.jpg); background-repeat:no-repeat; height:58px;float:left;}
#content-bottom2{ width:110px; height:42px; margin:0px auto; padding-top:4px;}
#input{ width:58px; height:20px; background-color:#FFF; border:solid 1px #dfdfe0; color:#636363; text-align:center; font-size:11px;}
.font1{ font-family:Arial, Helvetica, sans-serif; font-size:10px; color:#2f2f2f;}
.font1 a:link{
	text-decoration: none;
    color:#2f2f2f;

}
.font1 a:visited{
	text-decoration: none;
    color:#2f2f2f;
	
}
.font1 a:hover{
	color: #2f2f2f;
	text-decoration: underline;

}



.text-container {
padding: 20px;
color: #333;
margin-top: 24px;
line-height: 22px;
border-top-left-radius: 3px;
border-top-right-radius: 3px;
}

.use-as-video {
float: right;
padding-left: 20px;
}
.cc-float-fix:before, .cc-float-fix:after {
content: "";
line-height: 0;
height: 0;
width: 0;
display: block;
visibility: hidden;
}
.use-as-video-img {
cursor: pointer;
position: relative;
width: 320px;
height: 180px;
}
.use-as-video-title {
font-size: 15px;
font-weight: bold;
color: #000000;
padding-bottom: 5px;
}
-->
</style>
<script type="text/javascript">
<!--
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
//-->
</script>
</head>

<body onload="MM_preloadImages('images/next2.png','images/previous2.png')">
<div id="container">
<div id="left-button">
  <p>&nbsp;</p>
  <p>&nbsp;</p>
  <p>&nbsp;</p>
  <p>&nbsp;</p>
  <p>&nbsp;</p>
  <p><a href="page238.html"><img src="images/previous_big.png" width="90" height="80" /></a></p>
</div>
<div id="middle">
  <div id="top-title"><span class="font1">Basic HTML Version</span>
    <div id="top-title2">
      <table width="100%" border="0" align="right" cellpadding="0" cellspacing="0">
        <tr>
        	<td width="66%"> </td>
          <td width="35%" style="display:none" align="right"><img src="images/content.png" width="19" height="16" /></td>
          <td width="31%" style="display:none" class="font1"><a href="">Table of Contents</a></td>
          <td width="6%"><img src="images/view.png" width="19" height="16" /></td>
          <td width="28%" class="font1"><a href="../../index.html#p=239">View Full Version</a></td>
        </tr>
      </table>
    </div>
  </div>
  <div id="content">
     <div id="content-top">
        <div id="content-top1">Page 239 - ulum_g10</div>
        <div id="content-top2">P. 239</div>
     </div>
     <div id="content-middle">
     	
     	  <div class="text-container">
    <div class="use-as-video cc-float-fix">
      <a style="text-decoration: none;" href="../../index.html#p=239"><img src="../thumb/239.jpg" /></a>
    </div>

    <p class="use-as-video-title"></p>
    <pre style="white-space:pre-line"><code>Q , OÃ´Ã‘j Ã‰eÃ³Ã¦Y AGÆ’Â¡dG Ã‰Â¡â‰¤âˆÂ£j Â»Ã dG Ã¡bÃ‰Â£dG OÃ‰Ã©jGE : ÃœÆ’âˆÂ£Å¸G

Q = mc T

= 2.8 x 105g x 1.15 J/g.oC x 9 oC

= 29 x 105 J= 2.9 x 106 J

â‰ˆdG 24 oC Ã¸e Ã¸Ã®Â°Ã¹j Â»Î¼d 2.9 x 106 JÃ‰gQGÃ³â‰¤e Ã¡jQGÃ´M Ã¡bÃ‰W Â¢Ã¼Ã Âªj Â¿CG Ã–Ã©j Ã¡aÃ´Â¨dG Â»a AGÆ’Â¡dG ...

                                                                                                       33 oC

Ã‰Â¡Ã¦e Â¢Ã¼âˆÃ®Ã j Â»Ã dG Ã¡Â«ÂªÎ¼dG Ã¸e ÃˆcCG Ã–WÃ´dG AGÆ’Â¡dÃ‰H AÂ»âˆe âˆ«ÃµÃ¦e Ã‰Â¡Ã¦e Â¢Ã¼âˆÃ®Ã j Â»Ã dG IQGÃ´Ã«dG Ã¡Â«Âªc @
IQGÃ´Ã«dG Ã¸e Ã³jÃµÂªdG Â¢UÃ‰Â°Ã¼Ã eÃ‰H Ã‰Â°â€ jCG Î©Æ’â‰¤j h . OÃ´Ã‘j Â»Î¼d Â±Ã‰Ã©dG AGÆ’Â¡dÃ‰H kÃ‰Ã„Â«âˆe Â¿Æ’Î¼j Ã‰eÃ³Ã¦Y

                                                .AGÆ’Â¡dG IQGÃ´M Ã¡LQO Ã³jÃµJ Ã‰eÃ³Ã¦Y

â€¹GÆ’Mh Ï€Â«âˆdG AÃ‰Ã¦KCG 33 oC ÃšH âˆžÂ«Â°Ã¼dG Ï€Â°Ã¼a âˆ«Ã“N Ã¡dÃ“Â°U Â»a IQGÃ´Ã«dG Ã¡LQO âˆ«Ã³Â©e Ã¬hGÃ´Ã j @
Ã¡dÃ“Â°U Ã¸e Ã‰Ã‘jÃ´b IQGÃ´Ã«dG Ã¡LQO âˆ«Ã³Â©e - Î©Æ’Â«dG Â¢Ã¹Ã˜f Â»a - Ã¬hGÃŽj Ã‰ÂªÃ¦Â«H .QÃ‰Â¡Ã¦dG AÃ‰Ã¦KCG 28 oC
ÂºgÃ‰Â°Ã¹J âˆžÂ«c Ã­Â°Vh . Ï€Â«âˆdG â€˜ 22 oC â‰ˆdGE QÃ‰Â¡Ã¦dG âˆ«Ã“N 45 oC ÃšH Ã¢jÃ´ÂªK Ã¡â‰¤Â£Ã¦e Â»a

                . ? Ã¤Ã‰LQÃ³dG âˆšÃ²g Ã¸jÃ‰Ã‘J Â»a AGÆ’Â¡âˆd Ã¡Ã˜âˆÃ Ã®ÂªdG Ã¡Â«YÆ’Ã¦dG Ã¡jQGÃ´Ã«dG Ã¤Ã‰Â©Â°Ã¹dG

   Ã¡âˆÃ c â‰ âˆÃ‘J Ã¨âˆÃ£dG Ã¸e Ã¤Ã‰Ã‘Â©Î¼e 5 Ã¸Â«Ã®Â°Ã¹Ã d Â¬LÃ‰Ã Ã«f â€¦Ã²dG Ã¡jQGÃ´Ã«dG Ã¡bÃ‰Â£dG QGÃ³â‰¤e Ã‰e -1
              ?Ã´Ã˜Â°Ã¼dG Ã¢Ã«J 5 oC Â¤GE Ã´Ã˜Â°Ã¼dG Ã¢Ã«J 25 oC Ã¸e kÃ‰eGÃ´L 30 Ã‰Â¡Ã¦e Ã³MGÆ’dG

   Ã¡bÃ‰Â£dG Ã¸e Gk QGÃ³â‰¤e ÃªÃ‰Ã Ã«f Ã‰Ã¦fEÃ‰a 37 oC â‰ˆdEG 23 oC Ã¸e Ã–WQ AGÆ’g IQGÃ´M Ã¡LQO â„¢aÃ´d -2
                                   ? AGÆ’Â¡dG Ã¡âˆÃ c Ã–Â°Ã¹MG . 2.09 x 103 J â€¦hÃ‰Â°Ã¹j

,3.50 J/g oCâ‰ âˆ`Ã‘j Â¿Ã‰`Â°Ã¹fâ€™E G Âº`Â°Ã¹`L Ã¡Ã©``Â°Ã¹fCâ€™ Ã¡Â«``YÆ’Ã¦dG Ã¡`jQGÃ´`â—ŠG Ã¡`Â©Â°Ã¹dG âˆ«Ã³Â©`e Â¿CG Â¢VÃ´`Ã aG -3
Ã¡```jQGÃ´M Ã¡`bÃ‰`W Ã³dÆ’Â«a Ã¡Â©jÃ´Â°S Ã¡Â«Â°Ã»e Ã¡YÃ‰Â°S IÃ³Âªd Â»Â°Ã»Âªj 55 kg Â¬Ã âˆÃ c Â¢Ã¼Ã®Â°T âˆ‘Ã‰`Ã¦g Â¿Ã‰`ch
Ã¡dGRâ€™E Â¿Ã‰Â°Ã¹fâ€™G ÂºÂ°Ã¹L iÃ³d Ã¡Â«dBG âˆ‘Ã‰Ã¦g Ã¸Î¼J Âºd GPÃ‰E a .Ã¡jQGÃ´Ã«dG Ã¡bÃ‰Â£dG Ã¸e 6.50 x 105 J â‰ âˆÃ‘J
GPÃ‰Å¸) ? Â¢Ã¼Ã®Â°Ã»dG GÃ²g ÂºÂ°Ã¹L IQGÃ´M Ã¡LQO Â»a IOÃ‰jÃµdG â‰ âˆÃ‘Ã Â°S ÂºÎ¼a IÃ³FGÃµdG Ã¡jQGÃ´â—ŠG Ã¡bÃ‰Â£dG

                                                         .(?Ã‰ÂªÂ¡e Â¥Ã´Â©Ã dG Ã´Ã‘Ã Â©j

                                                                                                                           238</code></pre>
     	</div>
    
     </div>
     <div id="content-bottom">
       <div id="content-bottom2">
         <table width="110" border="0" cellspacing="0" cellpadding="0">
           <tr>
             <td width="22%" height="44"><a href="page238.html"><img src="images/previous.png" width="26" height="19" id="Image2" onmouseover="MM_swapImage('Image2','','images/previous2.png',1)" onmouseout="MM_swapImgRestore()" /></a></td>
             <td width="43%">
             	&nbsp;&nbsp;&nbsp;<a href="page234.html">234</a>&nbsp;&nbsp;&nbsp;<a href="page235.html">235</a>&nbsp;&nbsp;&nbsp;<a href="page236.html">236</a>&nbsp;&nbsp;&nbsp;<a href="page237.html">237</a>&nbsp;&nbsp;&nbsp;<a href="page238.html">238</a>&nbsp;&nbsp;&nbsp;<a href="page239.html">239</a>&nbsp;&nbsp;&nbsp;<a href="page240.html">240</a>&nbsp;&nbsp;&nbsp;<a href="page241.html">241</a>&nbsp;&nbsp;&nbsp;<a href="page242.html">242</a>&nbsp;&nbsp;&nbsp;<a href="page243.html">243</a>&nbsp;&nbsp;&nbsp;<a href="page244.html">244</a>
             </td>
             <td width="35%"><a href="page240.html"><img src="images/next.png" width="26" height="19" id="Image1" onmouseover="MM_swapImage('Image1','','images/next2.png',1)" onmouseout="MM_swapImgRestore()" /></a></td>
           </tr>
         </table>
       </div>
     </div>
  </div>
</div>
<div id="right-button">
  <p>&nbsp;</p>
  <p>&nbsp;</p>
  <p>&nbsp;</p>
  <p>&nbsp;</p>
  <p>&nbsp;</p>
  <p><a href="page240.html"><img src="images/next_big.png" width="90" height="80" /></a></p>
</div>


</div>
</body>
</html>