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12 spheres of the same size are made from melting a solid cylinder of 16 cm diameter and 2 cm height. The diameter of each sphere is

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Sneha
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Saturday, 28 November 2020 08:52 AM

let 12 spheres have radius r 
? by volume conservation ?
12×34?pr3=pr12?h
12×34?×r3=8×8×2
r3=8
r=2cm
d=24=4cm 

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