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How do you find the density and the volume of a solid when the mass is 23.07g and the length is 2.70cm and the width is 2.70cm and the thickness is 2.70cm if the density and the volume is unknown?
Wiki User
∙ 12y ago
density = mass/volume
volume = length * height * width
2.70 * 2.70 * 2.70 = 19.683
23.07 (mass) / 19.683 = 1.17207742722146 grams per centimeter cubed
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That degree of precision in the answer is not justified. 1.172 gms per cc is a more appropriate answer.
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That degree of precision in the answer is justified because in some cases the difference bettween 1.17207742722146 and 1.172 could be multiplyed by that being a fraction of the number being calculated and the longer answer is actualy more acurate and the question asker can round it down if they think that for their case it would be justfied to round it down.
Wiki User
∙ 12y ago
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Lead has a density of 11340 kgm3 A block of lead has a mass 178.96 g. What is the thickness in cm of the block of lead if it has a length of 6.15 cm and a length of 4.6 cm?
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Lead has a density of 11340 kgm3 A block of lead has a mass 178.96 g. What is the thickness in cm of the block of lead if it has a length of 6.15 cm and a length of 4.6 cm?
Density = 11340 kgm-3 = 11.340 gcm-3 Then Volume = Mass/Density = 178.96 g/11.34 gcm-3 = 15.781 cm3 approx and Thickness = Volume/(Length1 * Length2) = 15.781/(6.15 * 4.6) = 44.304 cm.
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