Q.

A sphere floats with exactly half its volume immersed in the liquid. If the mass of the sphere is 34g and density 1.6gr/cc. Calculate the radius of the sphere

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a

1013cm

b

813cm

c

613cm

d

413cm

answer is A.

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Detailed Solution

mg=12.(43πr3dg) 34=12.43πr31.6 ⇒r=103=1013cm
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