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SURAT

SURAT (arabi -zudi, tezi yake az mafhumhoi asosii mekhanika buda, harakati nuqta (jism)-ro tavsif medihad. Hengomi muntazam harakat kardani nuqta Surati on ba nisbati darozii rohi tayshuda s bar fosilai vaqt t barobar ast,

yane: = s/t . Umuman dv =ds/dt  ast.

sur-at

 

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SATHI VINTI

SATHI VINTI, sathest, ki khati £ hangomi dar girdi mehvari nojunboni OO’ bo surati kunjii …