3 years ago

When is a handrail required for stairs?

Engineering

1 answer:

Leviafan [203]3 years ago

5 0

Answer:

after 8 stepshddnffuddbnggkbdbkloyr

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5. A typical paper clip weighs 0.59 g and consists of BCC iron. Calculate (a) the number of

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(a) $3.185*10^{21} cells$

(b) $6.37*10^{21} atoms$

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(a)

Volume, V of unit cell

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Number of unit cells, N

$N=\frac {W_{mat}}{V\rho_{mat}}$ Where $W_{mat}$ is weight of material and $\rho_{mat}$ is density of material

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(b)

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This is a product of number of unit cells and number of atoms per cell

Since iron has 2 atoms per cell

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