A sphere of radius 6cm is moulded intro a thin cylindrical wire of len – InterviewSolution

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1.	A sphere of radius 6cm is moulded intro a thin cylindrical wire of length 32cm.Calculate the radius of the wire in si units
Answer» Mass of SPHERE,M= (4/3) pi R^3d= mass of wire = pi r^2 l d. …….(1) d is density of metal. R=12 cm. r= 16 cm. (!) l is length of the wire to be found. Using these values in equation (1), l = [4 (12)^3]/[3 (16)^2]=9 cmExplanation:

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