Looking for Kinematic practice problems with solutions

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The discussion centers on the need for more complex kinematic practice problems with solutions, as the user finds existing resources too basic for their coursework. They express difficulty in locating suitable study materials that match their professor's expectations. Recommendations include seeking out textbooks with worked-out problems, specifically mentioning the "Schaum's Outline Series" as a valuable resource. Links to specific books in this series are provided for further exploration. The conversation highlights the importance of finding appropriate study aids for mastering kinematics.
TerikE
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Forgive me if this is the wrong forum for this. I'm looking for practice Kinematic problems with solutions. I've looked here (http://www.physicsclassroom.com/class/1dkin/U1L6d.cfm), but those questions are too basic. My prof asks more complex problems and I'm having a hard time finding good study material.


Again, apologies if this is in the wrong section.
 
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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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