document.write( "Question 1101127: A tree trunk of uniform cross section of area o.5 sq. m is made of wood of relative density 0.8.Find the mass of a length of 1m of trunk.relative density \n" ); document.write( "
Algebra.Com's Answer #803363 by CubeyThePenguin(3113)\"\" \"About 
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mass = (volume) * (density)
\n" ); document.write( "= (5 * 1) * 0.8
\n" ); document.write( "= 4 kg
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