Multiple Choice
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
Related Questions
Q25: A large cylindrical water tank is mounted
Q26: One of the dangers of tornados and
Q27: When you blow some air above the
Q28: A circular cylinder of height 1.20 m
Q29: A level pipe contains a nonviscous,incompressible fluid
Q31: An incompressible fluid flows steadily through a
Q32: At a certain depth in the ocean,the
Q33: Water flows in the horizontal pipe shown
Q34: A paint sprayer pumps air through a
Q35: Incompressible water flows out of a large