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What is the density of a solid piece of lead which has a mass of 144.0 grams and is 2.75 cm long,
1.25 cm wide, and 3.25 cm thick?

AdamTaurus  Sep 1, 2017
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What is the density of a solid piece of lead which has a mass of 144.0 grams and is 2.75 cm long,
1.25 cm wide, and 3.25 cm thick?

 

The volume is    (2.75 cm) (1.25 cm) ( 3.25 cm)   = 11.171875 cm^3

 

Density  = Mass /  Volume     

 

So we have

 

Density  =  144 grams /  11.171875 cm^3    ≈  12.89 grams / cm^3

 

 

 

cool cool cool

CPhill  Sep 1, 2017

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