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Pozdrawiam, Adam
v = 3,14 m/s
t = 30 s
n = 75
szukane:
r = ?
T = t/n = 30s/75 =0,4 s
v = 2TTr/T I*T
2TTr = v * T /:2TT
r = vT/2TT
r = 3,14m/s * 0,4s/(2 * 3,14)
r = 0,2 m