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Message: <blockquote data-quote="Vladimir_Putin" data-source="post: 23012122" data-attributes="member: 521671">මේ කියලා තියෙන සීන් එක සිංහලෙන් කොහොමද බං ලියන්නේ. මට ගලපගන්න අමාරුයි, සිංහලට හරවද්දී හෙන අමුතුවට එන්නේ.<img src="/styles/default/xenforo/smilies/default/no.gif"  class="smilie" loading="lazy" alt=":no:" title="No    :no:" data-shortname=":no:" />01.But instead of circles on a two dimensional surface, the wavefronts are now concentric spheres with the sound traveling along rays perpendicular to these waves.02.But as long as the source is moving slower than the sound waves themselves, they will remain nested within each other. It’s when an object goes supersonic, moving faster than the sound it makes, that the picture change dramatically. As it overtakes sound waves it has emitted, while generating new ones from it current position, the ways are forced together forming a mach cone.</blockquote>

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