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2010-02-28T19:33:35+01:00
Dane:
r = 2m
Rozw.:
T = 120s/20 = 6 s
f = 1/T = 1/6s = 1/6 [Hz] = 0,16 [Hz]
V = 2πr/T = 2×3,14×2m / 6 s = 2,09 m/s
ω = V/r = 2,09 [m/s] / 2m = 1,046 [1/s]
lub
ω = 2π/T = 2×3,14 / 6s =1,046 [1/s]