Birinchi avtomobil 4𝑆 masofani 2𝑡 vaqtda 2𝑣 tezlik bilan bosib o‘tdi. Ikkinchi avtomobil 3𝑆 yo‘lni 2𝑡 vaqtda bosib o‘tsa, uning tezligini toping.

7-A sinf uchun test 19.11

Quiz
•
Physics
•
7th Grade
•
Medium
Azamat Yuldoshev
Used 1+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
2,5𝑣
2𝑣
1.5𝑣
3𝑣
2.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Rasmdagi grafikdan foydalanib, jismning harakat tezligini aniqlang (m/s).
2
3
4
5
3.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Harbiy reaktiv samolyot 10 s da tezligini 450 dan 900 km/h gacha oshirdi. Tezlanishni aniqlang (m/s2).
12.5
45
4.5
90
4.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Agar raketa 50 m/s2 tezlanish bilan harakat boshlagan bo‘lsa, 2 s dan so‘ng uning tezligi qanday bo‘ladi (m/s)?
12.5
25
50
100
5.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
20 m/s tezlik bilan ketayotgan avtomobil tormozlanish natijasida 2 s da to‘xtadi. Avtomobilning tormozlanish yo‘lini aniqlang (m).
10
20
40
50
6.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Bekatdan jo‘nashda trolleybusning tezlanishi 0,4 m/s2 edi. 20 s da u necha metr masofaga ko‘chadi?
8
80
50
20
7.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Stansiyadan jo‘nagan poyezdning tezlanishi 1 m/s2 bo‘lsa, u 10 s da qanday yo‘l bosadi (m)?
5
10
50
100
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