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MATEMATIKA FIZIKA TAYYOR79
. boshlangich tezliksiz erkin tuwayotgan jismning 4-
sekund oxiridagi tezligini toping (m/s)
g=9.81m/s2
a)39.2 b)39.3 c)40
80
. oyda boshlangich tezlik bn erkin tuwayottgan
temir parchasining 20m ko’chgandan keyingi tezlig
ini
toping (km/h) oyda erkin tuwiw tezlanishi 1.6m/s
2
a)36 b)34 c)36.6
81
.yuqoriga tik otilgan jismning 4s vaqt
momentidagikotarilish balandligi 80m bolsa otilish
tezligini toping (m/s) g=10m/s
2
a)20 b)160 c)40
82
.yupiter sayyorasida 60m/s tezlik bn yuqoriga tik
otilgan jism 2s da 78m balandlikka ko’tarildi
yupiterdagi erkin tuwiw tezlanishi qiymatini toping
(m/s
2)
)
a)30 b)34 c)21
83
yuqoriga tik otilgan jismning 420m balandlikdagi
tezligi 40m/s uning otilish tezligini toping (m/s)g=10
A)40 b)100 c)120
84
.yuqoriga 20m/s tezlik bn tik otilgan jism qanday
maksimal balamdlikka ko’tariladi (m) g=10
a)1o b)20 c)30
85
.g’ildirak chekka nuqtasining tezligi 10m/s va
markazga intilma tezlanishi 5m/s
2
ga teng g’ildirak
radiusini toping(m)
a)2 b)10 c)20
86
.aylanish chastotasi 2s
-1
va diametri 50sm bo’lgan
disk chekka nuqtasining tezlanishini toping II
2
=10
(m/s
2
)
a)25 b)100 c)40
87
.ancha baland joydan jism gorizontal yo’nalishda
20m/s tezlik bn otildi 2s dan keyin gorizontal tezligi
nimaga teng (m/s) g=10
a)20 b)10 c)40
88.
ma’lum balandlikdan gorizontal yo’nalishda 6m/s
tezlik bn otilgan jismning uchiw vaqti 8s ga teng otiliw
balandligini toping(m) g=10
a)320 b)300 c)42
89
.jisim harakat vaqtining birinchi yarimida 15m/s
ikkinchi yarmida esa 10m/s tezlik bilan harakatlangan
jismning o’rtacha tezligini toping (m/s)
a)12 b)12.5 c)25
90
. yengil av
tomabilning tezligi 20 m/s g’ildirakning
diametri 64sm g’il
dirakning burchak tezligini toping
rad/s
a)64 b)62.5 c)1280
Document Outline - 31-60---------------------------.pdf
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