bga_8(2chsb)fizika
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[image: ] umumta’lim maktabning 2023-2024 o‘quv yili 8-sinf o‘quvchilarining fizika fanini o‘zlashtirish darajasini aniqlash uchun test, savol, masala va topshiriqlar varianti ii chsb (fizika) demo variant 1. tezligi 9,6 km/h bo‘lgan avtomashinaning impulsini toping. avtomashinaning massasini 1200 kg deb oling. (qo‘llash – 2,8 ball) a) b) c) d) 2. massasi 1,5 t bo‘lgan avtomobilning g‘ildiraklari bilan asfalt orasida hosil bo‘ladigan dumalanish ishqalanish kuchini toping. g‘ildirak diametrini 1 m, rezina bilan asfalt orasidagi dumalanish ishqalanish koeffitsiyentini 1,5 mm, g = 10 m/s2 deb oling. (qo‘llash – 2,8 ball) a) 80 n b) 45 n c) 35 n d) 60 n 3. sxemadagi qarshiligi va bo‘lgan o‘tkazgichlarning umumiy qarshiligi qanday? [image: ] (qo‘llash – 2,8 ball) a) 40 ω b) 5 ω …
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