7-sinf Fizika olimpiada №2 Dekabr 15, 2022Dekabr 15, 2022 da chop etilgan InfoMaster tomonidan 7-sinf Fizika olimpiada №2 ga 5 fikr bildirilgan 0 12345678910111213141516171819202122 Vaqtingiz tugadi! 7-sinf Fizika olimpiada №2 07.12.2022 yil oo.uzedu.uz Online olimpiada savollari! 1 / 22 Massasi 5 kg bo’lgan jism uzunligi 1 m bo’lgan chilvir yordamida aylana bo’ylab harakatlanmoqda. Jism sekundiga 2 aylanish bilan aylanmoqda. Chilvir maksimum 160 N taranglikni ko’tara oladi. Jism quvvati 10W ga teng va o’zgarmas. Jismga aylanma harakatga kelganidan qancha (s) vaqt o’tib uzilib ketadi? 1 4 3 2 2 / 22 Jism o’z motori beradigan o’zgarmas quvvat yordamida to’g’ri chiziq bo’ylab harakatlanmoqda. Jismning t davomida bosib o’tgan yo’li … I) t 1/2 II) t 3/4 III) t 3/2 IV) t2 ga proporsional. II III I IV 3 / 22 18 B C D A 4 / 22 6 B D C A 5 / 22 13 A C D B 6 / 22 15 B D A C 7 / 22 14 B D A C 8 / 22 20 C D A B 9 / 22 2 B D A C 10 / 22 4 A C D B 11 / 22 9 A D C B 12 / 22 1 D C B A 13 / 22 19 B C A D 14 / 22 16 A B C D 15 / 22 5 D A C B 16 / 22 12 A C D B 17 / 22 7 A B D C 18 / 22 8 A C D B 19 / 22 10 B D C A 20 / 22 11 C B A D 21 / 22 17 B C D A 22 / 22 3 D B C A 0% Testni qayta ishga tushiring tomonidan Wordpress Quiz plugin Fizika olimpiada