Discover the Fascinating World of Physics through Photography

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The discussion focuses on finding creative photography ideas that illustrate physics concepts. Suggestions include capturing simple objects like a yo-yo or a marble to explain basic principles, or more complex phenomena like superconductivity with floating rings. A time-lapse photo of a glow stick dropped from a height can demonstrate motion and light intensity changes. Additionally, capturing the upcoming lunar eclipse is proposed as a compelling subject. Overall, the emphasis is on combining visual appeal with clear explanations of physics theories.
TheShapeOfTime
[SOLVED] Physics Photograph

I need to take a picture of something (anything) and explain the physics behind it. I really want to get something cool, but due to my limit capablities I don't have many good ideas. Does anyone have any really good ones? Maybe something that shows some theory in action (does that make sense? :)?
 
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How about doing a little bit about quantum mechanics and particle theory? You could take a picture of anything for that.
 
What about superconductivity?
http://www.fieldlines.com/other/images/super4.jpg
Floating rings and blocks are cool.
 
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Why don't you do what your teacher probably wants you to do and take a picture of something simple...

a yo-yo
wheel
marble works
etc

it really depends by explaining does he want you to be able to do the math for the toy
 
You could take a picture of an object sitting on a table and explain that it is stationary because the table pushes up with the same force that gravity pushes down.

Or you could get a glow stick and drop it from a high place at night, while taking a time lapse picture of it. You should notice that it gets fainter the farther it falls because it is moving faster.

If your project isn't due for a few weeks, you could take a picture of the upcoming lunar eclipse (Oct 28th I believe, but check first).
 
Thread 'Variable mass system : water sprayed into a moving container'

Thread 'Variable mass system : water sprayed into a moving container'

Starting with the mass considerations #m(t)# is mass of water #M_{c}# mass of container and #M(t)# mass of total system $$M(t) = M_{C} + m(t)$$ $$\Rightarrow \frac{dM(t)}{dt} = \frac{dm(t)}{dt}$$ $$P_i = Mv + u \, dm$$ $$P_f = (M + dm)(v + dv)$$ $$\Delta P = M \, dv + (v - u) \, dm$$ $$F = \frac{dP}{dt} = M \frac{dv}{dt} + (v - u) \frac{dm}{dt}$$ $$F = u \frac{dm}{dt} = \rho A u^2$$ from conservation of momentum , the cannon recoils with the same force which it applies. $$\quad \frac{dm}{dt}...
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Thread 'Struggle to understand the concept of the question (ice cube in water optics question)'

TL;DR Summary: I came across this question from a Sri Lankan A-level textbook. Question - An ice cube with a length of 10 cm is immersed in water at 0 °C. An observer observes the ice cube from the water, and it seems to be 7.75 cm long. If the refractive index of water is 4/3, find the height of the ice cube immersed in the water. I could not understand how the apparent height of the ice cube in the water depends on the height of the ice cube immersed in the water. Does anyone have an...
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