1) Care este unitatea de masura in S. I. pentru viteza medie a) m/h b) km/min c) m/s d) km/s e) m/min f) s 2) Scrieti intrumentul pentru masurarea vitezei medii a) cronometrul b) masina c) termometrul d) vitezometrul e) cilindrul gradat f) hartia milimetrica 3) In cat timp va parcurge un melc o distanta de d=10m, daca viteza lui este de v=2cm/s? a) 200s b) 150s c) 500s d) 520s e) 210s f) 5s 4) Calculeaza distanta parcursa de o racheta intr -un an lumina stiind ca viteza luminii este de 300000000m/s? a) 946*10^12m b) 9,46*10^12km c) 9,46*10^15km d) 94,6*10^12km e) 9,46*10^10km f) 0,946*10^12km
Viteza medie
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Laviniavlad
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