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<table border="0" cellpadding="3" cellspacing="1" width="100%" class="forumline"> <tr> <th class="thCornerL" width="22%" height="26">Autor</th> <th class="thCornerR">Wiadomość</th> </tr> <tr> <td width="22%" align="left" valign="top" class="row1"><span class="name"><a name=""></a><b>dghrwe1314</b></span></td> <td class="row1" height="28" valign="top"><table width="100%" border="0" cellspacing="0" cellpadding="0"> <tr> <td width="100%"><img src="http://picsrv.fora.pl/xeon/images/icon_minipost.gif" width="12" height="9" alt="Post" title="Post" border="0" /><span class="postdetails">Wysłany: Sob 12:39, 23 Kwi 2011<span class="gen"> </span> Temat postu: Cheap Nike Shox OZ What Are the Reasons of Thunder</span></td> </tr> <tr> <td colspan="2"><hr /></td> </tr> <tr> <td colspan="2"><span class="postbody">,<a href="http://www.kicksintel.com/nike_shox_oz" target="_blank" class="postlink">Cheap Nike Shox OZ</a> <br />v class="googleright">Children ordinarily get frightened of thunder and lightning during storm. The booming sound resembles with one exploding mine. It is somewhat true that a baby will get scared. <br />Exploding air <br />When air explodes inside a thunder cloud while lightning heats it up,<a href="http://www.kicksintel.com" target="_blank" class="postlink">Nike Shox R4</a>, a thunder is produced. A lightning strike can rapidly heat up the air between the temperatures of 15000 to 60000 Fahrenheit; this is hotter than the surface of the sun. Air expands violently and contracts while heated rapidly, this reasons the air to burst with a booming sound. The air which rushes out sets up a sound wave of vibrating air which is cried thunder. <br />Cold and warm fronts <br />Lightning and thunder occurs at about the same time for lightning is produced by chilly and lukewarm masses of air that clashes opposition each other. This causes friction resulting in sparks of electricity that is called lightning shooting down to the ground. Besides lightning, the conflict of cold and warm fronts of air produces a noisy booming sound which is called thunder. <br />Why lightning is seen first before hearing the thunder <br />Lightning and thunder happen at the same time but lightning is penetrated 1st before audition the thunder. The scientific reason is the light travels faster than the speed of sound via the air. The longer gap among lightning and thunder method that the thunderstorm is further away. <br />The speed of light is faster than the speed of sound and it takes about 3 seconds to travel a distance of 1 kilometer. If 1 counts to three just before hearing the thunder, it means that the lightning is about one kilometer away. If lightning and thunder happen at the same time then it means that the lightning is definitely very close. <br />The rumbling of thunder <br />The sound of thunder varies. It is constantly considered for roll alternatively boom. Two things make the thunder to rumble; the lightning bolts and the smokes. A lightning bolt appears favor forks zigzagging and the limbs can branch out because long miles. <br />When the atmosphere explodes as a result whenever lightning heats the atmosphere, each part of the lightning bolt creates compression waves that will approach at different periods. The sound wave that voyages a longer distance is softer and arrives after than a sound wave that was built by a part of lightning bolt that was closer. <br />The second element after the rumble of thunder is the presence of mountains and clouds nigh the zone. The sound waves skip off from the clouds,<a href="http://www.kicksintel.com/nike_shox_r4" target="_blank" class="postlink">Nike Shox R4 Le</a>, ground and other nearby objects which are much alike to the way a person voice echoes in a massive auditorium. This is the reason why the sound of thunder might transform louder than getting lower a bit. <br />Lightning tin happen without thunder merely thunder cannot happen without lightning. The reason can be that a human is very distant away apt hear the thunder. The sound waves spread merely the lightning is still visible in the sky. <br />Also learn</span></td> </tr> </table></td> </tr> <tr> <td colspan="2" height="1" class="spaceRow"><img src="http://picsrv.fora.pl/xeon/images/spacer.gif" alt="" width="1" height="1" /></td> </tr> </table>
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