Need Help with 2004 AP Physics C Mechanics Section Answers?

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The user is seeking answers for the mechanics section of the 2004 AP Physics C multiple choice exam and is open to trading other exams for these answers. Another participant confirms they have the solutions but lacks the test itself and expresses interest in a trade. The discussion revolves around finding a mutually beneficial exchange of exam materials. The focus remains on obtaining the specific answers needed for the mechanics section. The conversation highlights the collaborative nature of students preparing for AP exams.
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Hi i have the 2004 ap physics c multiple choice exam but I do not have the answers for the mechanics section. I would be willing to trade a lot of exams just for the answers to the mechanics section.

thank you
 
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i have the solutions, but not the test. are you willing to trade?
 
The book claims the answer is that all the magnitudes are the same because "the gravitational force on the penguin is the same". I'm having trouble understanding this. I thought the buoyant force was equal to the weight of the fluid displaced. Weight depends on mass which depends on density. Therefore, due to the differing densities the buoyant force will be different in each case? Is this incorrect?

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