7-A sinf 4 mavzu

jism 4 m yo'l yurib 90 gradusga burildi va nomalum masofa yurdi jismning ko'chishi 5m ekanligini aniqlagan bo'lsa bosib o'tgan yo'lini toping

• 9m

• 7m

• 8m

• 3m

jism 25.2 km/h tezlik bilan harakatlansa uning m/s dagiqiymatini toping

• 20

• 5

• 7

• 9

moshina 40 km/h tezlik bilan 30 min daqancha masofani bosib o'tadi

• 20 m

• 200m

• 2000m

• 20000m

mashina 1 km masofani 400m ni 20 m/s qolgan qismini 30 m/s tezlik bilan o'tgan bo'lsa butun yo'ldagi o'rtacha tezligini toping

• 27

• 25

• 22

• 27.5

6000 sm/min necha m/s ga teng

• 6

• 1

• 36

• 100

mashina 100 km masofani 20 soatda bosib o'tgan bo'lsa mashina tezlgini toping

• 1/5

• 5

• 2000

• 1000

moshina 10 m/s tezlik bilan velosepedchi 2 m/s tezlik bilan harakatlanayabdi. mashina 60 m masofani bosguncha velosepedchi qancha masofani bosadi.

• 6

• 8

• 12

• 10

10 m/s necha km/h bo'ladi

• 36000

• 10000

• 36

2.3 Gs necha s

• 23*10⁸

• 23*10¹¹

• 23*10⁵

• 23*10⁹

100 mm² necha sm² teng bo'ladi

• 0.1

• 1

• 0.01

• 10