MOMENTUM and IMPULSE sample problems and solutions

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    Impulse Momentum
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The discussion provides links to various resources for understanding momentum and impulse, including introductory problems and solutions. Users are encouraged to explore these websites for detailed explanations and examples. The shared links include educational content from Mind.net and Wikibooks, which cater to different levels of physics understanding. The contributors express appreciation for the resources and the collaborative effort in sharing knowledge. These materials are valuable for anyone looking to enhance their grasp of momentum and impulse concepts.
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any website?
 
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more advance ones...

thanks for the effort!
 
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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