1-nazorat ishi nazorat shakli: Yozma ish 1

7-NAZORAT ISHI 

 

Nazorat shakli: Yozma ish  

 

1

 Tezligi 0.3 m/s, massasi 30 t bo’lgan vagonni tezligi 0.2 m/s, massasi 

20 t bo’lgan vagonni quvib yetdi va unga ulanib qoldi. Vagonning 

birgalikdagi tezligi qanday. 

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2 

Necha Nyuton kuch jismni 2.5 m masofaga ko’chirganda 400 J ish 

bajaradi?