przekształć wzory : Ep=mgh wyznacz m Ep=mgh wyznacz h
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przekształć wzory : Ep=mgh wyznacz m Ep=mgh wyznacz h
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a)
m = Ep/gh
[m] = [J/(m/s²*m) = N*m : (m/s²*m ) = kg*(m/s²)*m*(s²/m²) = kg]
b)
Ep = mgh / : mh
g = Ep/mh
[g] = [ J/kg*m = N*m : kg*m= kg*m/s²*1/kg*m = m/s²]
c)
h = Ep/mg
[h] = [J/kg*m/s² = J/N = N*m/N = m]