dane:
d = 0,4 m
r = d/2 = 0,2 m
n - 200
t = 1 min = 60 s
szukane:
v = ?
v = 2πr/T
T = t/n = 60s/300 = 0,2 s
v = 2*3,14 * 0,2m /0,2s
v = 6,28 m/s
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dane:
d = 0,4 m
r = d/2 = 0,2 m
n - 200
t = 1 min = 60 s
szukane:
v = ?
v = 2πr/T
T = t/n = 60s/300 = 0,2 s
v = 2*3,14 * 0,2m /0,2s
v = 6,28 m/s
-----------------