Determine the resultant displacement

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The discussion focuses on using the superposition principle to calculate the resultant displacement of particles in a medium at a specific moment. Participants express uncertainty about interpreting the diagram and its relevance to the particles and medium. Clarification is sought regarding the relationship between the diagram and the physical concepts involved. The conversation emphasizes the need for a clear understanding of the principles at play to solve the problem effectively. Overall, the thread highlights the importance of visual aids in grasping complex physics concepts.
Physics2015
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Homework Statement


Using the superposition principle, determine the resultant displacement of the particles in the medium, at the instant shown.

Homework Equations

The Attempt at a Solution

 

Attachments

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Physics2015 said:

Homework Statement


Using the superposition principle, determine the resultant displacement of the particles in the medium, at the instant shown.

Homework Equations

The Attempt at a Solution

This is what I could think of. I'm not sure how it should be
 

Attachments

  • Capture00.PNG
    Capture00.PNG
    298 bytes · Views: 724
What does the diagram represent? How does it relate to particles, medium, and an instant in time?
 

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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