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Prędkość średnia (jak w każdym ruchu): v = s/t = 50/5 = 10 cm/s = 0.1 m/s
Zad.2.
F = k·x -----> k = F/x
T = 2·π·√(m/k) = 2·π·√(m/(F/x)) = 2·π·√(m·x/F) = 2·3.14·√(0.1·0.05/10) = 0.14 s
dane:
A = s = 50 cm = 0,5 m
t = 5 s
szukane:
vśr = ?
vśr = s/t
vśr = 0,5m/5s
vśr = 0,1 m/s
2.
dane:
m = 100 g = 0,1 kg
F = 10 N
x = 5 cm = 0,05 m
szukane:
T = ?
T = 2TTV(m/k)
k = F/x
T = 2TTV[m/(F/x)]
T = 2TTV(m*x/F)
T = 2 *3,14 * V(0,1 * 0,05/10 = 6,28 * V0,005 = 6,28 * 0,02236
T = 0,14 s