PhysicsLAB NextTime Question
Submerged Glass

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The inverted drinking glass filled with air is placed mouth downward in water. As it is pushed deeper, the air is compressed. How deep must the glass be pushed in order that the air be compressed to half its original volume?
 
At this depth, how will the buoyant force on the submerged glass compare to when it was submerged at the surface? 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

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