Multiple Choice
Buoyancy: A hollow steel ball of diameter 3.0 m barely floats in water. What is the thickness of the wall of the ball? The density of iron is 7.87 g/cm3 and that of water is 1000 kg/m3.
A) 6.6 cm
B) 37 cm
C) 131 cm
D) 79 cm
Correct Answer:
Verified
Correct Answer:
Verified
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