p=пл.*U^2*/3
пл.=m/V=1,22 кг/м3
U^2=3*p/пл.
U^2==3000000/1,22=2259 км/с
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p=пл.*U^2*/3
пл.=m/V=1,22 кг/м3
U^2=3*p/пл.
U^2==3000000/1,22=2259 км/с