Dane:
m=5kg
h=2m
v=4m/s
g=10m/s²
Szukane:
E=?
Rozwiazanie:
E=Ep+Ek
E=mgh+1/2mv²
E=5*10*2+1/2*5*4²
E=100+40=140J
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Dane:
m=5kg
h=2m
v=4m/s
g=10m/s²
Szukane:
E=?
Rozwiazanie:
E=Ep+Ek
E=mgh+1/2mv²
E=5*10*2+1/2*5*4²
E=100+40=140J