Odpowiedź:
d=5m
t=120s
n=60
f=n/t
f=60/120s
f=0,5Hz
d=λ/2
λ=5m*2
λ=10m
v=λ*f
v=10m*0,5Hz
v=5m/s
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Odpowiedź:
d=5m
t=120s
n=60
f=n/t
f=60/120s
f=0,5Hz
d=λ/2
λ=5m*2
λ=10m
v=λ*f
v=10m*0,5Hz
v=5m/s