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1 -MAVZU IQBOLJON XODIYEV FIZIKA
1 dm/s tezlik kattami yoki 1 m/s tezlikmi?
A) birinchisi 10 marta katta
B) ikkinchisi 10 marta katta
C) birinchisi 3,6 marta kаttа
D) ikkinchisi 3,6 marta katta
Sportchi radiusi 100 metr bo’lgan aylana shaklidagi trekni 6,5 marotaba aylanib chiqdi. Sportchining yo’li L va ko'chishi S ni toping.
A) L=4082, S=0 B) L=650, S=200
C) L=4082, S=200 D) L=2041, S=100
2034 km/h necha m/s bo'ladi?
A) 656 B) 56 C) 565 D) 65
Chumoli devorga vertikalga nisbatan 60˚ burchak ostida harakatlanib 30 dm ko’tarildi, chumolining ko'chishini toping. = 1,74
A) 6 m B) 6 sm C) 2,61 m D)2,61 sm
Spidometrning dastlabki ko'rsatkichi 02442,1 km, avtomobil 450 sm/s tezlik bilan 1,2 soat 44 minut va 240 sekund harakatlandi. Spidometrning keyingi ko'rsatkichini toping.
A) 02766,1 B) 02474,5
C) 02445,34 D) 02451,1
270 km/h necha m/s bo'ladi?
A) 27 B) 65,(6) C) 75 D) 85
Yugirish maydonining bo'yi 160 metr, eni 12000 sm. Sportchi maydonni 2,5 marotaba bosib o'tdi. Sportchining yo’li L va ko'chishi S ni aniqlang (m).
A) L=1400, S=0 B) L=2800, S=200
C) L=1400, S=200 D) L=800, S=100
Jism XOY tekislikda koordinatalari (34;110) bo'lgan nuqtadan ( 40;118) nuqtaga 0,2 sekundda o'tdi. Jismning tezligini aniqlang (m/s).
A) 50 B) 40 C) 30 D) 5
Noto'g'ri fikrni toping. S-yo'l, L-ko'chish,
K-trayektoriya.
A) S=L=K B) S=K>L C) S>L D) S
Aylananing R=200 metr bo'lgan yugirish yo'lagida sportchi 5000 metr masofani bosib o'tdi. Sportchining L-ko'chishini toping. π=3
A) 200 B) 300 C) 400 D) 500
Jism XOY tekislikda koordinatalari (34;110) bo'lgan nuqtadan (40;118) nuqtaga o'tdi. Jismning yo'li L va ko'chishi S ni aniqlang.
A) L=10, S=0 B) L=6, S=8
C) L=0, S=10 D) L=S=10
Bola gorizontga 45˚ burchak hosil qilgan tepalikka 1 soatda, 700 metr balandlikkacha kutarildi. Bolaning L ko'chishini (m) va tezligini aniqlang. = 1,4
A) L=1000, ϑ=1 m/s
B) L=1000, ϑ =1 km/h
C) L=1400, ϑ =36 km/h
D) L= 1400, ϑ =36 m/s
Geologlar avval shimoliy-sharq tomon 25 km yo'l yurdilar, so’ng g'arb tomon 15 km, so'ng janub tomon 80 km, yana sharq tomon 80 km yurishgan bo'lsa ularning yo'li L va ko'chishi S ni aniqlang (m).
A) L=200, S=10 B) L=2·10 4, S=10
C) L=2·105, S=105 D) L=4·105, S=2·104
Vertolyot vertikal ravishda 3 kmga, so'ng gorizontal holda 4 km masofaga 0,1 soat , 21 daqiqa, 180 soniya harakatlandi. Uning harakat tezligi ϑ1 , va ko'chish tezligi ϑ2 ni (km/h) toping.
A) ϑ1=7, ϑ2=5 B) ϑ1=3, ϑ2=4
C) ϑ1=4, ϑ2=6 D) ϑ1=14, ϑ2=10
Sayyohlar dastlab 400 m shimoliy g’arbga, so'ng 500 m sharqqa va yana 300 m shimol tomon 2 daqiqayu 35 soniya harakatlanishdi, ularning ko'chish ϑ tezligini (km/h) toping.
A) 32 B) 14,4 C) 72 D) 16
Tezligi 72 km/h bo’lgan jism 8400 m masofani necha daqiqada bosib o'tadi.
A) 116,(6) B) 7 C) 5 D) 3
Jism koordinatalari X1=0, Y1=2 m bo'lgan nuqtadan, koordinatalari X2=4, Y2=-1 m bo’lgan nuqtaga 0,2 sekundda ko'chdi, uning tezligini (km/h) toping.
A) 90 B) 45 C) 25 D) 50
Ovchi miltiqdan xarsang tosh tomon tezligi 255 m/s bo'lgan o'q uzdi, agar ovchi oqning toshga tekgandagi ovozini 7 sekunddan so’ng eshitgan bo'lsa ovchi bilan tosh orasidagi masofani (m) toping. Tovushning havodagi tezligi 340 m/s.
A) 1020 B) 1785 C) 2380 D) 892,5
Uzunligi 800 metr bo’lgan poyezd 108 km/h tezlik bilan harakatlanib, uzunligi 1180 metr bo'lgan ko'prikdan qancha vaqtda o'tadi?
A) 40 s B) 18,3 min C) 10 min 6 s D) 1 min 6 s
2418 metr uzunlikdagi mashinalar qatori, 1182 metr uzunlikdagi ko'prikni, 36 m/s tezlikda bosib o'tishi uchun qancha vaqt kerak (s).
A) 10 B) 102 C) 103 D) 104
C hizmada 3 ta moddiy nuqtaning harakat grafiklari berilgan. Ularning tezliklarini taqqoslang.
A) ϑ1 > ϑ2 > ϑ3 B) ϑ1 < ϑ2 < ϑ3
С) ϑ 1 = ϑ 2 = ϑ 3 D) ϑ 1 < ϑ 2 > ϑ 3
C hizmada 3 ta moddiy nuqtaning harakat grafiklari berilgan. Ularning tezliklarini taqqoslang.
A) ϑ1 > ϑ2 > ϑ3 B) ϑ1 < ϑ2 < ϑ3
С) ϑ 1 > ϑ 2 = ϑ 3 D) ϑ 1 > ϑ 3 > ϑ 2
C hizmada 4 ta moddiy nuqtaning harakat grafiklari berilgan. Ularning tezliklarini taqqoslang.
A) ϑ1 > ϑ2 > ϑ3 > ϑ4
B) ϑ1 < ϑ2 < ϑ3 < ϑ4
С) ϑ 1 > ϑ 2 = ϑ 3 > ϑ 4
D ) ϑ1 > ϑ3 > ϑ2 < ϑ4
Grafikdan foydalanib jismning t=1 s va t=4 s vaqt oralig'idagi tezligini toping (m/s).
A) 3 B) 6 C) 9 D) 12
G rafikdan foydalanib jismning t=1 s va t=4 s vaqt oralig’idagi bosgan yo’lini toping (m).
A) 3 B) 6 C) 9 D) 12
Qandaydir balandlikdan vertikal tashlangan jism, shamol bo’lmaganda to’g’ri tushar edi. Agar g'arbdan shamol esayotgan bo'lsa uning harakat yo'nalishini vertikalga nisbatan og'ish burchagini toping. Jismning shamol ta'siridagi uchish uzoqligi tushish balandligiga teng.
A) 90˚ B) 60˚ C) 45˚ D) 30˚
Jism gorizontga nisbatan 45˚ burchak ostida joylashgan tepalikda 500 metr yo'l bosdi. Jismning bosib o'tgan yo'lini vertikal tashkil etuvchisini toping (m).
A) 500 B) 700 C) 250 D)350
Rishton bilan Bog'dod oralig'i 15 km. Rishtondan Bog'dod tomon harakatlanayotgan Damazning tezligi 70 km/h. Bog'doddan Rishton tomon harakatlanayotgan Kamazning tezligi 50 km/h, ular necha daqiqadan so'ng uchrashadilar?
A) 0,125 B) 450 C) 7,5 D) 4,5
Rishton bilan Bog'dod oralig'i 15 km. Rishtondan Bog'dod tomon harakatlanayotgan Damazning tezligi 70 km/h. Bog'doddan Rishton tomon harakatlanayotgan Kamazning tezligi 50 km/h, ular Bog'doddan qanday uzoqlikda uchrashadilar (mm)?
A) 22,5·106 B) 62,5·104 C) 2,25·104 D) 6,25·106
Dengiz tubiga jo'natilgan signalni exolokator 13 min dan so’ng qabul qildi. Dengiz chuqurligi necha metr? Tovushning suvdagi tezligi km/h.
A) 11,7·105 В) 1,95·104 C) 7,02·104 D) 5,85·105
β = 120˚ bo'lib ϑ1=ϑ2=25 m/s bo’lsa, natijaviy tezlikni toping (m/s).
A) 25 B) 45 C) 25 D) 45
To’g’ri munosabatni toping. L - ko'chish, S - yo'l,
D – trayektoriya
A) S skalyar, L va D vektor kattalik
B) D skalyar, L va S vektor kattalik
C) L va S skalyar, D vektor kattalik
D) S va D skalyar, L vektor kattalik
RISHTON AKADEMIK LITSEYI 2017-YIL
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