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zadanie 1
p =dgh
p = 0,92g/cm³*10m/s²*20m
p = 920kg/m³*10m/s²*20
p = (9200*20)Pa
p = 184000Pa
p = 184Pa
zadanie 2
p = dgh |:dg
p/dg = h
h = p/dg
h = 1354Pa/(920kg/m³*10m/s²)
h = (1354/9200)m
h = (677/4600)m
h ≈ 0,15m
h ≈ 15cm