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Fizika ( saralash testi )

1. 3 m 8 dm necha sm ga teng ?
A) 308 B) 380 C) 38 D) 3800
2. 96 soat necha sutka ?
A) 2 B) 3 C) 4 D) 6
3. Sayyoh 10 km shimolga, keyin 7 km janubga yurdi. Bunda uning ko`chishi va yo`lini
toping (km).
A) s=17 , l=17 B) s=3, l=17 C) s=17, l=3
D) s=3, l=3
4. Avtomobil to`g`ri chiziqli yo`l bo`ylab avval
6 km g`arbga , keyin 8 km janubga yurdi. Uning ko`chishini toping (km).
A) 14 B) 2 C) 10 D) 15
5. Ilon to`g`ri chiziqli tekis harakatlanib, S=10 m masofani t=40 s da bosib o`tdi. Ilonning tezligini toping (m/s).
A) 0,5 B) 0,25 C) 0,3 D) 4
6. Kobalt avtomobili to`g`ri chiziqli tekis harakatlanib, 72 km masofani 1 soatda bosib o`tdi. Kobaltning tezligini toping (m/s).
A) 90 B) 72 C) 36 D) 20
7. Lada Vesta avtomobili dastlabki 4 km ni 3 minutda , keyingi 6 km ni 7 minutda bosib o`tdi. Lada Vestaning butun yo`l davomidagi o`rtacha tezligini toping (m/s).
A) 16,7 B) 15 C) 12 D) 17,6
8. Avtomobil tekis tezlanuvchan harakatlanib t=4 s da tezligini =5 m/s dan =17 m/s gacha oshirdi. Uning tezlanishini toping (m/ .
A) 2 B) 3 C) 4 D) 5
9. Tinch holatdan 0,3 m/ tezlanish bilan tekis tezlanuvchan harakatlana boshlagan poyezd
21 m/s tezlikka erishishi uchun qancha vaqt kerak bo`ladi (s) ?
A) 70 B) 60 C) 50 D) 7
10. m/ tezlanish va m/s boshlang`ich tezlik bilan tekis sekinlanuvchan harakatlanayotgan avtobusning tezligi qancha
vaqtdan (s) keyin km/soat bo`ladi ?
A) 12 B) 4,5 C) 18 D) 10
11. Boshlang`ich tezliksiz erkin tushayotgan jism 45 m balandlikdan qancha vaqtda tushadi (s) ?
A) 2 B) 3 C) 4 D) 5
12. 40 m balandlikdan 10 m/s boshlang`ich tezlik bilanerkin tushayotgan jismning yerga tegish paytidagi tezligini toping m/s. g=10m/
13. 20 s da 10 marta aylanayotgan diskning aylanish davrini toping(s).
A) 4 B) 0,5 C) 2 D) 5
14. Diskning aylanish chastotasi
7200 ayl/min. U 6 sekundda necha marta aylanadi ?
A) 120 B) 220 C) 720 D) 1200
15. Tosh 90 m balandlikdan gorizontal yo`nalishda 5 m/s tezlik bilan otildi. U yerga qancha vaqtdan keyin tushadi (s) ?
A) 16 B) 18 C) 450 D) 20
16. 38 necha ga teng ?
A) 3800 B) 38 C) 38000 D) 3,8
17. Burchak tezligi 0,2 rad/s bo`lgan diskning aylanish davrini toping (s).π=3,14
A) 21,4 B) 31,4 C) 314 D) 3
18. Yuqoriga tik 40 m/s tezlik bilan otilgan jism qanday balandlikda 10 m/s tezlikka ega bo`ladi (m) ?
A) 50 B) 60 C) 65 D) 75
19. Uzunligi 600 m bo`lgan poyezd, uzunligi 400 m bo`lgan ko`prikdan 4 minutda o`tdi. Poyezd tezligini toping. (km/soat)
A) 10 B) 15 C) 20 D) 150
20. soat necha minut ?
A) 25 C) 240 C) 15 D) 10