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karuppaiah
Answers (1)
Since the material is same, the density is also same. The formula for mass of the sphere m =Volume x density =4/3 (pi) (r)^3 x density m1= 160g, r1=8cm. r2=4cm, m2=? 160=4/3 (pi) (8)^3x density-----(1) m2=4/3 (pi) (4)^3x density-----(2) now equation
