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t=16s
T=?
f=?
---------------------------------------------
T=t/n=16s/20=0,8s - okres
f=1/T=1/0,8s=1,25 [1/s=Hz] - herc
n=20 wahnięć
t=16 s
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T=?
∨=?
Rozwiązanie:
T=t/n=16/20=0,8 s
∨=1/T=20/0,8=25 Hz
Odpowiedż:T=0,8 s; ∨=25 Hz