Odpowiedzi

2009-11-04T20:22:00+01:00
R =15 cm = 0,15m
f = 6000 1/min = 6000 * 1/60 = 100 [1/s]

V = s/t
s =2πr
V = 2πr/t
t = 1/f
V = 2πrf
V = 2*3,14*0,15*100 = 94,2 m/s