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Volume=mass÷density.
=384g÷0.6g/cm³
=640cm³
but volume of a cylinder =pr²h
therefore ;
640cm³=22/7×3.2cm×3.2cm×h
h=(640cm³ ×7) ÷ (10.24cm² ×22)
hence h= 19.89cm ( 2d.p).
Sczlavin answered the question on April 23, 2019 at 21:10
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