4 sherek

10 sinip iv toqsan 1. dopqa 3 s kүsh әser etedі, oniң impulsі 30 kg * m / s deyіn өzgeredі. soqqi kүshіnің mәnіn aniqtaңiz (n). a) 5 b) 6 c) 3 d) 8 2. 15 n kүsh bіr zatqa 5 s іshіnde әser ettі. dene impulsіnің өzgerіsі qanday (kg * m / s)? a) 37 b) 75 c) 42 d) 97 3. eger massasi 50 kg zat tinishtiqtan 2 m / s jildamdiqqa jetken bolsa, og'an 20 n (s) kүsh qansha uaqit әser ettі? a) 7 b) 3 c) 8 d) 5 4,0,3 m / s jildamdiqpen qozg'alatin massasi 80 kg arbag'a 20 kg tielgen. mүgedek arbasiniң jildamdig'i qanshag'a tөmendeydі (m / s)? a) 0,06 b) 0,6 c) 6 …

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