Odpowiedzi

2010-03-29T17:20:19+02:00
S = 2*π*150.000.000 [km]
S = 300.000.000π [km]
S ≈ 942.000.000 [km]

t = 365dni
t = 8760h
t = 31536000s

V = 942.000.000km:31536000s
V = 942000:31536s
V ≈ 29,87km/s
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