A spherical metallic shell with 6 cm external radius weighs 6688 g. Wh – McqOptions

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1.	A spherical metallic shell with 6 cm external radius weighs 6688 g. What is the thickness of the shell if the density of metal is 10.5 g per cm3 ?
A.	2 cm
B.	4 cm
C.	\(2 \frac{1}{2}\) cm
D.	3 cm
Answer» B. 4 cm

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