Multiple Choice
A cubical block of stone is lowered at a steady rate into the ocean by a crane, always keeping the top and bottom faces horizontal. Which one of the following graphs best describes the buoyant force B on this block as a function of time t if the block just enters the water at time t = 0 s?
A)
B)
C)
D)
E)
Correct Answer:

Verified
Correct Answer:
Verified
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