7-sinf Fizika olimpiada №2

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7-sinf Fizika olimpiada №2

07.12.2022 yil oo.uzedu.uz  

Online olimpiada savollari!

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18 g suvda nechta neytron bor? ??=6·1023 mol-1

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Egrilik radiusi 10  m bo’lgan botiq ko’zgu tomon odam yugurmoqda. Odam ko’zgu qutbidan   30 m masofada bo’lgan paytda uning tezligi   1 m s bo’lsa, uning tasvirini unga nisbatan tezligi necha m/s ga teng bo’ladi?

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InfoMaster
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Foydali bo'lsa mamnunmiz

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