fizika sinovlari
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6-sinf. fizika. oraliq nazorat ishi. 1-belit. 1. aravaga gorizantal yo’nalgan 50 n kuch tasirida 20 m siljidi. bajarilgan ishini toping. a. 100 j b. 1000 j s. 10000 j 2. 15 kg nechi gromga teng. a. 1500 g b.15000g s.0.15 g 3. o’rtacha tezligi 80 km/soat bo’lgan poezd 30 minutda qancha yo’l bosib o’tadi km. a. 70 km. b. 90 km. s. 40 km. 4. uzunligi 9 m bo’lgan ingichka ip boshidan jo’nagan chumoli ip oxiriga kelguncha 5 mint o’tdi. chumolining tezligini toping m/minut da. a. 1.7 m/minut. b. 1.8 m/minut. s. 25 m/minut. 5. 15 m/s tezlik necha km/soat bo’ladi. a. 75km/soat. b.54 km/soat. s. 150 km/soat. 2-belit 1. aravaga gorizantal yo’nalgan 45n kuch tasirida 30 m siljidi. bajarilgan …
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