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dane:
h=10m, g=10m/s
szukane: v
Ep = mgh skoczka przechodzi w Ek = 0,5mv2
mgh = 0,5mv2
v = [2gh]^1/2 = [2*10m/s2*10M]^1/2 = 14,1 m/s
.............pozdrawiam