1.

What is the force required (in Newtons) to hold a spherical balloon stationary in water at a depth of H from the air-water iterface? The balloon is of radius 0.1 m and is filled with air.

A. πg/3
B. .01πgH/4
C. .01πgH/8
D. .04πgH/3
Answer» B. .01πgH/4


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