Odpowiedź :
[tex]2cm = 0.02m[/tex]
Zatem
[tex] \lambda = \frac{v}{f} | \times f \\ v = \lambda \times f[/tex]
[tex]v = 0.02 \times 0.2 = 0.004 \frac{m}{s} [/tex]
[tex]2cm = 0.02m[/tex]
Zatem
[tex] \lambda = \frac{v}{f} | \times f \\ v = \lambda \times f[/tex]
[tex]v = 0.02 \times 0.2 = 0.004 \frac{m}{s} [/tex]