Projectile Motion Practice Questions and Solutions

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Online resources for projectile motion practice questions can be found through a simple Google search, with one recommended link provided for a set of problems. Adding "+solutions" to the search can help locate resources that include answers. Users are encouraged to explore various websites for additional practice questions. The discussion also briefly shifts to a request for thermal physics questions and answers. Overall, there are multiple avenues available for finding both projectile motion and thermal physics practice materials.
vivekfan
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Is there a place where I can find projectile motion practice questions online?
 
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please where can i get thermal physics question and answers
 

Thread 'Magnitude of buoyant force in fluids of different densities'

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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