Posted by S on Wednesday, November 14, 2012 at 12:21am.
Lead has a density of 11300 kg/m^3 at 0 degrees celcius. What is the density of lead at 90 degrees celcius?

Physics  drwls, Wednesday, November 14, 2012 at 3:21am
You will find the volumetric thermal expansion coefficient of lead is 87*10^6 C^1
Multiply that by 90 C for the relative volume increase factor,
DeltaV/V = 0.0078
Add that to 1 and take the reciprocal
Density(90)/Density(0) = 0.9922
Finally, multiply that by the density at 0 C

Physics  helak lskjdf, Friday, April 19, 2013 at 2:08am
no answer sorry
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