Oscilacije, talasi i zvuk

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1. 2. POPPOPPOPPOP 3. (x (x) ) () 1T 1sHz 4. () FtFrFgxFNllgT 2 5. 6. 7. TTt = T04t 2t 43T () u= v 8. 1 2 3 4 - 5 - 6 - 7 - 8 - ? 9. 16 Hz o 20 kHz ( a o) > 20 kHz - u