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7-A sinf uchun test 19.11

Authored by Azamat Yuldoshev

Physics

7th Grade

Used 1+ times

7-A sinf uchun test 19.11
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15 questions

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1.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

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.

2,5𝑣

2𝑣

1.5𝑣

3𝑣

2.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Media Image

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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