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A Hollow Steel Ball of Diameter 3 A) 66 Cm
B) 131 Cm
C) 37 Cm

Question 96

Multiple Choice

A hollow steel ball of diameter 3.0 m just barely floats in water. What is the wall thickness of the ball? (ρFe=7.87 g/cm3,ρwater =1.00 g/cm3) \left( \rho \mathrm { Fe } = 7.87 \mathrm {~g} / \mathrm { cm } ^ { 3 } , \rho _ { \text {water } } = 1.00 \mathrm {~g} / \mathrm { cm } ^ { 3 } \right)


A) 6.6 cm
B) 131 cm
C) 37 cm
D) 79 cm

Correct Answer:

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