3. Two spheres of same size are made from
copper and iron respectively. Find the ratio
between their masses. Density of copper
8,900 kg/m'and iron 7,800 kg/m².
Answers
Answered by
2
Answer:
89:78
Explanation:
Volumes are the same
Density = mass/ volume
let mass of copper be m1 and iron be m2
d1=m1/v. d2=m2/v
m1=d1*v. m2=d2*v
m1:m2=d1*v:d2*v=8900*v/7800*v
=8900/7800=89/78
= 89:78
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