Kinematika. Kinematikaning asosiy tushunchalari
VIII. Gorizontga burchak ostida otilgan jism harakati
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Tekshirish Kinematika Tematika 2021 2022 O\'quv yili uchun
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VIII. Gorizontga burchak ostida otilgan jism harakati.
*1. Jism gorizontga nisbatan 300 burchak ostida 20 m/s tezlik bilan otildi. Boshlang`ich holatdagi tezlikning gorizontal (m/s) va vertikal tashkil etuvchilarini toping (m/s). A) 10 ; 10 B) 10; C) 5; 10 D) 8; 4 2. Jism gorizontga nisbatan 600 burchak ostida 30 m/s tezlik bilan otildi. Boshlang`ich holatdagi tezlikning gorizontal (m/s) va vertikal tashkil etuvchilarini toping (m/s). A) 10 ; 10 B) 10; C) 15; D) 8; 4 3 . Jism gorizontga nisbatan 450 burchak ostida 20 m/s tezlik bilan otildi. Boshlang`ich holatdagi tezlikning gorizontal (m/s) va vertikal tashkil etuvchilarini toping (m/s). A) 10 ; 10 B) 10; C) 15; D) 8; 4 4. Jism gorizontga nisbatan 300 burchak ostida 40 m/s tezlik bilan otildi. Jismning uchish davomidagi minimal tezligini toping (m/s). A) 10 B) 20 C) 15 D) 8 5. Jism gorizontga 600 burchak ostida 30 m/s tezlik bilan otildi. Trayektoriyaning eng yuqori nuqtasida jism tezligining moduli nimaga teng (m/s)? A) 24,2 B) 26 C) 15 D) 20,3 *6. Jism gorizontga 300 burchak ostida 20 m/s tezlik bilan otildi. Jismning 0,5 sekunddan keyingi tezlikning gorizontal (m/s) va vertikal tashkil etuvchilarini toping (m/s). A) 10 ; 5 B) 10; C) 15; D) 8; 4 7. Jism gorizontga 300 burchak ostida 20 m/s tezlik bilan otildi. Jismning 1 sekunddan keyingi tezlikning gorizontal (m/s) va vertikal tashkil etuvchilarini toping (m/s). A) 10 ; 0 B) 10; 10 C) 15; 15 D) 8; 4 *8. Gorizontga 300 burchak ostida otilgan jismning ko`tarilish vaqti va uchish vaqtini toping (s). Boshlang`ich tezlik 10 m/s. A) 0,5; 1 B) 2; 4 C) 1,5; 3 D) 1; 2 9. Gorizontga 600 burchak ostida otilgan jismning ko`tarilish vaqti va uchish vaqtini toping (s). Boshlang`ich tezlik 30 m/s. A) 1,5; B) 1,5 ; C) 1,5 ; 1,5 D) 1,5 ; 3 10. Gorizontga 300 burchak ostida otilgan jismning ko`tarilish vaqti 2 s bo`lsa, uning boshlang`ich tezligini toping (m/s). A) 40 B) 20 C) 30 D) 15 *11. Gorizontga 600 burchak ostida 20 m/s tezlik bilan otilgan jismning uchish vaqti 10 sekundga teng. Uchish uzoqligini toping (m). A) 100 B) 150 C) 120 D) 200 12. Gorizontga burchak ostida otilgan jismning uchish vaqti 10 sekundga teng. Agar jismning uchish davomidagi minimal tezligi 10 m/s bo`lsa, uning uchish uzoqligini toping (m). A) 200 B) 150 C) 120 D) 100 13. Gorizontga burchak ostida otilgan jismning uchish vaqti 10 sekundga teng. Jismning uchish davomidagi minimal tezligi qanday bo`lganda uning uchish uzoqligi 200 m bo`ladi (m/s)? A) 25 B) 15 C) 20 D) 10 *14. Gorizontga 150 burchak ostida 30 m/s tezlik bilan otilgan jismning uchish uzoqligini toping (m). A) 45 B) 50 C) 60 D) 70 15. Gorizontga 300 burchak ostida 10 m/s tezlik bilan otilgan jismning uchish uzoqligini toping (m). A) 20 B) 5 C) 10 D) 5 16. Gorizontga 600 burchak ostida 20 m/s tezlik bilan otilgan jismning uchish uzoqligini toping (m). A) 20 B) 5 C) 10 D) 5 17. Gorizontga 150 burchak ostida otilgan jismning uchish uzoqligi 20 m bo`lsa, otilish tezligini toping (m/s). A) 30 B) 20 C) 40 D) 50 18. Gorizontga qanday burchak ostida otilgan jismning uchish uzoqligi 5 m ga teng bo`ladi? Otilish tezligini 10 m/s ga teng. A) 250 B) 600 C) 150 D) 300 19. Gorizontga 450 burchak ostida otilgan jismning 0,8 s dan keyingi harakati yuqoriga bo`lib, tezlikning vertikal tashkil qiluvchisi 12 m/s ga teng. Jismni otish nuqtasidan tushish nuqtasigacha bo`lgan masofani (m) toping. A) 200 B) 80 C) 120 D) 60 *20. Gorizontga burchak ostida otilgan jism 10 sekund uchdi. Maksimal ko`tarilish balandligini toping (m). A) 125 B) 150 C) 175 D) 180 21. 500 m/s tezlik bilan gorizontga qiya otilgan snaryadning uchish vaqti 6 sekund bo`lsa, uning ko`tarilish balandligini toping (m). A) 25 B) 50 C) 75 D) 45 22. Gorizontga burchak ostida otilgan jismning ko`tarilish balandligi 20 m bo`lsa, uning uchish vaqtini toping (s). A) 3 B) 4 C) 5 D) 6 *23. Gorizontga burchak ostida 13 m/s tezlik bilan otilgan jismning minimal tezligi 5 m/s ga teng bo`lsa, uning maksimal ko`tarilish balandligini toping (m). A) 7,2 B) 8 C) 7 D) 8,2 24. Gorizontga burchak ostida 20 m/s tezlik bilan otilgan jismning minimal tezligi 10 m/s ga teng bo`lsa, uning maksimal ko`tarilish balandligini toping (m). A) 25 B) 15 C) 20 D) 10 *25. Gorizontga burchak ostida otilgan jismning uchish uzoqligi maksimal ko`tarilish balandligidan 4 / marta katta. Otilish burchagini toping. A) 250 B) 600 C) 150 D) 300 26. Gorizontga qiya otilgan jismning uchish vaqti 10 sekundga teng. Agar uchish uzoqligi 500 m ga teng bo`lsa, jismning otilish burchagini toping. A) 250 B) 450 C) 150 D) 300 27. Gorizontga burchak ostida otilgan jismning uchish uzoqligi maksimal ko`tarilish balandligidan 4 marta katta. Otilish burchagini toping. A) 250 B) 450 C) 150 D) 300 28. Gorizontga burchak ostida otilgan jismning uchish uzoqligi maksimal ko`tarilish balandligidan marta katta. Otilish burchagini toping. A) 250 B) 450 C) 150 D) 300 29. Gorizontga burchak ostida otilgan jismning maksimal ko`tarilish balandligi uchish uzoqligidan 2 marta katta. Otilish burchagini toping. A) arctg8 B) arctg4 C) 150 D) 300 30. Gorizontga 600 burchak ostida 20 m/s tezlik bilan otilgan jismning uchish vaqti (s), uchish uzoqligi (m), maksimal ko`tarilish balandligi (m) va minimal tezligini toping (m/s). A) 2 ; 20 ; 15 ; 10 ; B) 2 ;5; 20 ; 20 C) 2 ; 20 ; 15 ;5 D) 2 ; 10 ; 10 ;15 *31. Gorizontga 600 burchak ostida otilgan jismning tezlik vektori qancha vaqtdan (s) so`ng gorizontga nisbatan 450 ni tashkil qiladi? Boshlang`ich tezlik 20 m/s ga teng. A) 0,9; 2,73 B) 1,73; 2,73 C) 0,73; 2,73 D) 0,73; 1,73 32. Gorizontga 600 burchak ostida otilgan jismning tezlik vektori qancha vaqtdan (s) so`ng gorizontga nisbatan 450 ni tashkil qiladi? Boshlang`ich tezlik 30 m/s ga teng. A) 0,5; 1 B) 1; 2 C) 1,2; 1,5 D) 1,1; 4,1 *32. Gorizontga 300 burchak ostida otilgan jismning boshlang`ich tezligi 600 m/s ga teng. Jismning 40 sekunddan keyingi tezligini toping (m/s). A) 529 B) 500 C) 410 D) 450 33. Gorizontga 300 burchak ostida otilgan jismning boshlang`ich tezligi 800 m/s ga teng. Jismning 40 sekunddan keyingi tezligini toping (m/s). A) 100 B) 400 C) 200 D) 400 34. Gorizontga burchak ostida otilgan jism harakat vaqtining necha foizida umumiy ko`tarilish balandligining 3/4 qismidan yuqorida bo`ladi? A) 50 B) 40 C) 60 D) 30 35. Gorizontga 450 burchak ostida 40 m/s tezlik bilan otilgan jism qanday masofaga borib tushadi (m) A) 100 B) 120 C) 150 D) 160 36. Gorizontga 30o burchak ostida otilgan jism 20 s uchgan bo’lsa, u qanday maxsimal balandlikka ko’tariladi? A) 500 B) 630 C) 465 D) 600 37. Gorizonga 450 burchak ostida otilgan jism 10s uchgan bo’lsa, u qanday maxsimal uzoqlikka borib tushgan? A) 320 B) 250 C) 152 D) 400 Download 1.81 Mb. Do'stlaringiz bilan baham: 
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