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n=20
t=1min=60s
f=n/t
f=1/3Hz
V=У*f
V=14m*1/3Hz
V=14/3 m/s=4i 2/3
У=14m
Pozdrooo,!
T= 3s v=?
s=14m f=?
f=n/t
f=20/60
f=1/3Hz
v=14/3 =4 ²/₃ m/s