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Z jedného lana Marta odreže polovicu. Z toho čo zostane Ján odreže daľšiu polovicu. Neskôr zo zvyšku Adrián odreže polovicu. Z toho čo ostane odreže Clára 2/5. Na koniec nám zostane 30cm. Aká bola počiatočná dĺžka lana?
Dobrý deň, potrebovala by som pomôcť s nasledujúcim príkladom: "Urči akustickú rýchlosť a akustickú výchylku ak je akustický tlak 2.10-5 Pa a frekvencia 1kHz." (pre vypočítanie príkladu mi bolo…
Dobrý deň, potrebovala by som pomôcť s nasledujúcim príkladom: "Urči akustickú rýchlosť a akustickú výchylku ak je akustický tlak 2.10-5 Pa a frekvencia 1kHz." (pre vypočítanie príkladu mi bolo…
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