№5
p= mg/S
m = ro*V
p = ro*V/S
p = 2,3*10^3*7/1,5 = 10,73 Па.
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№5
p= mg/S
m = ro*V
p = ro*V/S
p = 2,3*10^3*7/1,5 = 10,73 Па.