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frez [133]
3 years ago
15

Cho P1= XdaN, P2=3.X daN, P= 2.X (daN). a=1m, b=2m,MCN hình tròn d= (100+X)mm1/ Tính nội lực tại các mặt cắt cách ngàm 0,5m; 1m;

1,5m;2,5m2/ Vẽ biểu đồ nội lực.3/Khi cho trọnglượng riêng = 7680kg/m3
Engineering
1 answer:
DaniilM [7]3 years ago
5 0

Answer:

Please explain it in English so that i can help or you need someone else who can speak Vietnam

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Calculate the number of atoms per cubic meter in Metal B (units atoms/m^3). Write your answer with 4 significant figures metal:
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Answer:

7,217*10^28 atoms/m^3

Explanation:

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The Avogadro's Number, 6,022*10^23, is the number of atoms in one mole of any substance. To calculate the number of atoms in one cubic meter of vanadium we write:

1m^3*(100^3 cm^3/1 m^3)*(6,1 g/1 cm^3)*(1 mol/50,9g)*(6,022*10^23 atoms/1 mol)=7,217*10^28 atoms

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A 150-lbm astronaut took his bathroom scale (aspring scale) and a beam scale (compares masses) to themoon where the local gravit
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