3 years ago

6- A metal block measures 10 cm x 2 cm x 2 cm. what is its volume? how many blocks each

Physics

1 answer:

zalisa [80]3 years ago

3 0

You need 5 blocks of the smaller object to contain the same amount of volume of the bigger object

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Concrete colums are constructed with reinforcing steel in them to make them stronger and more ductile. The reinforcing bars are

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$21678.47223\ lbf-in^2$

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$\dfrac{F_sL}{A_sE_s}=\dfrac{F_cL}{A_cE_c}\\\Rightarrow F_c=\dfrac{F_sA_cE_c}{A_sE_s}\\\Rightarrow F_c=\dfrac{F_s \times 119.4\times 4.1\times 10^6}{8\times \dfrac{\pi \dfrac{1}{2^2}}{4}\times 29\times 10^6}\\\Rightarrow F_c=10.74658F_s$