Homework Help: Physics (Please, it's a minor error)

Posted by Orla on Monday, November 19, 2012 at 5:08pm.

A rectangular block has dimensions 1.5cm x 3.2cm x 3.9cm and a mass of 61g.
Determine the density in SI units

My taking on the question,
Mass= 0.061kg
Volume= 0.1872m

Density=0.061kg/0.1872m=0.3258547kgm^-3

Can someone please tell me where I'm going wrong?

Physics (Please, it's a minor error) - Henry, Wednesday, November 21, 2012 at 7:55pm
V = 0.015*0.032*0.039=1.872*10^-6 m^3.
Mass = 0.061 kg.

D = 6.1*10^-2kg/1.872*10^-6m^3
D = 3.26*10^4 = 32,600 kg/m^3.
undenominated science - micheal davoren, Sunday, November 25, 2012 at 7:43pm
61g/18.72m

equals 61000g/1872cm

32.585g/cm

changed to 3258.54 kg/m

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