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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Elektr zaryadini (+) va (-)belgisi bilan belgilashni kim taklif etgan?

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2,25 m/s2 gorizontal tezlanish bilan harakatlanayotgan suv bilan to’ldirilgan sisternaning shiftiga 5 kg massali shar ip yordamida osilgan. Ip  turg’un qiya vaziyatni egallagandan keyin, uning taramglik kuchini (N) toping. Shar materialining zichligi 5000 kg/m3. g=10 m/s2

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