The radius of solid metallic sphere is 8cm. The sphere is melted and recast into eight equal solid spherical balls. Determine the diameter of the balls.
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The volume of the big sphere is equal to sum of total small eight sphere. Then
4/3pi*8*8*8=4/3pir^3
r=4cm
Diameter=8cm
4/3pi*8*8*8=4/3pir^3
r=4cm
Diameter=8cm
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