Find Physics Olympiad Questions & Answers | Compadre.org

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Past Physics Olympiad questions can be found at Compadre.org, specifically at the provided link. Answers for the multiple-choice questions are located on the last page of the document. Similar multiple-choice problems are scarce, but review books for AP and SAT physics exams may be helpful. For additional free-response problems, users can visit the JYU website dedicated to Olympiads. This resource offers a variety of practice materials for aspiring physics competitors.
daniel_i_l
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I found past questions here:
http://www.compadre.org/psrc/evals/olympiad.cfm"
Were can I find the answers?
Also, were can I find similar kinds of questions?
Thanks.
 
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The answers for multiple-choice tests are on the last page of the document.
 
You won't find similar multiple choice problems very easily. I would suggest looking in review books for AP and SAT exams for physics.

As for more free-response problems, there are plenty at the http://www.jyu.fi/tdk/kastdk/olympiads/" .
 
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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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