Uy » Online olimpiada » Fizika olimpiada » 9-sinf Fizika olimpiada №5 Fizika olimpiada 9-sinf Fizika olimpiada №5 InfoMaster Yanvar 9, 2023 1139 Ko'rishlar 1 izoh SaqlashSaqlanganOlib tashlandi 0 1 12345678910111213141516171819202122232425 9-sinf Fizika olimpiada №5 03.01.2023 yil oo.uzedu.uz Online olimpiada savollari! 1 / 25 Koptok v= 40 m/s tezlik bilan rasmda tasvirlangandek ikki bino orasidagi harakatini boshladi. Agar H=45 m va L=6 m bo’lsa, harakat boshidan necha sekund vaqt o’tgach koptok o’ng devorga 3 – marta to’qnashadi. Barcha to’qnashishlar mutlaq elastik. ? = 10 ?/?^2 A) 0.75 B) 3 C) 0.5 D) 2.5 2 / 25 Avtomobil tekis tezlanuvchan harakatni boshlab tezligi 70 km/soatga yetganida u manzilgacha bo’lgan yo’lning 1/3 qismini bosib o’tdi. Qolgan yo’lning birinchi yarmida shu tezlik bilan, ikkinchi yarmida esa 60 km/soat tezlik bilan tekis harakatlandi. Avtomobil 2,5 soat harakatlangan bo’lsa, uning butun harakati davomidagi o’rtacha tezligini toping (km/soat) A) 65.5 B) 60 C) 45.4 D) 50.4 3 / 25 Avagadro sonining birligi qaysi javobda to’g’ri ko’rsatilgan? A) Birligi yo’q B) ??? C) 1/??? D) kg 4 / 25 Qaysi qonuning amaliy ko’rinishi chizmada berilmoqda? A) Nyutonning 2 – qonuni B) Guk qonuni C) Nyutonning 1 – qonuni D) Nyutonning 3– qonuni 5 / 25 Harakatlanayotgan zaryadli zarracha bir jinsli magnit maydoniga induksiya chiziqlari bo’ylab uchib kirdi. Uning shu maydondagi trayektoriyasining shakli qanday bo’ladi? A) Vintsimon B) Aylana C) Spiralsimon D) To’g’ri chiziq 6 / 25 A) D B) C C) A D) B 7 / 25 A) A B) B C) D D) C 8 / 25 A) A B) D C) B D) C 9 / 25 A) C B) D C) A D) B 10 / 25 A) D B) C C) A D) B 11 / 25 A) B B) C C) A D) D 12 / 25 A) B B) A C) D D) C 13 / 25 A) D B) C C) B D) A 14 / 25 A) D B) B C) C D) A 15 / 25 A) D B) C C) A D) B 16 / 25 A) A B) B C) D D) C 17 / 25 A) B B) D C) A D) C 18 / 25 A) A B) C C) B D) D 19 / 25 A) A B) D C) C D) B 20 / 25 A) D B) C C) A D) B 21 / 25 A) D B) A C) C D) B 22 / 25 A) B B) C C) D D) A 23 / 25 A) B B) C C) D D) A 24 / 25 A) A B) B C) C D) D 25 / 25 A) C B) A C) B D) D 0% Testni qayta ishga tushiring Author: InfoMaster Foydali bo'lsa mamnunmiz