7 sinf 5-mashq yechim
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7-sinf 5-mashq. 1.sportchi 3 m/s tezlik bilan 20 minutda qancha masofani bosib o‘tadi? ______________ to’g’ri chiziqli tekis harakatda tezlik formulasi 2. avtobus o‘rtacha 15 m/s tezlikda harakatlansa, 60 sekundda qancha masofani bosib o‘tadi? ______________ to’g’ri chiziqli tekis harakatda tezlik formulasi (1)-ifodadan masofani topsak: 3. o‘quvchi 10 minut davomida 600 metr yo‘l yurdi. yo‘lni shu qismida o‘quvchining tezligini toping. ______________ to’g’ri chiziqli tekis harakatda tezlik formulasi 4. 800 m uzunligidagi poyezd 160 m uzunlikdagi ko‘prikdan 1 minutda o‘tdi. poyezdning tezligini toping. ______________ to’g’ri chiziqli tekis harakatda tezlik formulasi (1)-ifodadan masofani topsak: 5. avtomobil 85 km/h tezlik bilan 2 h harakatlanib, manzilga yetib kelganda hisoblagich 16420 km...
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