fizika. yakuniy nazorat [2-variant]

fizika. yakuniy nazorat [2-variant] 1. jism 2 m radiusli aylana bo'ylab 𝜀 = 1.5 𝑟𝑎𝑑 𝑠2 burchak tezlanish bilan aylanmoqda. uning tangensial tezlanishini hisoblang. (m/s2) a) 1.5 b) 2.5 c) 3 d) 4 2. jism tezligining vaqtga bog’liqligi 𝑣 𝑡 = 2𝑡 − 0.25𝑡2 ko’rinishida, uning 4 s da bosib o’tadigan masofasini hisoblang. (m) a) 10.7 b) 12.5 c) 3.5 d) 4.5 3. jismning massasi 3 kg va ishqalanish koeffitsienti 0.1 ga teng bo'lsa. jismga ta'sir qilishi mumkin bo'lgan ishqalanish kuchining maksimal qiymatini hisoblang. a) 3 n b) 2 n c) 4 n d) 1 n 4. massasi 1 kg bo’lgan jism 20 sm radiusli aylana bo’ylab tekis aylanma harakat qilmoqda. jismning aylanish o’qiga nisbatan inersiya momentini hisoblang. (kgm2)𝑅 𝑅 …

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