Дано:
P=3H
a=45mm
Знайти p-?
m=P/g=3/10=0,3кг
V=45*45*45=91,125=91,12m
p=m/V=0.003кг/м3
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Дано:
P=3H
a=45mm
Знайти p-?
m=P/g=3/10=0,3кг
V=45*45*45=91,125=91,12m
p=m/V=0.003кг/м3