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Physics?
Suppose two people are standing three meters away from each other, both holding a rope. Person A weighs 70 kg and person B weighs 80 kg, both are standing straight on the ground with their feet next to each other so that they cannot anchor themselves to the ground. Both people have more pulling power…
Question about the Lorentz force and the 3-finger rule?
In A), why does the current flow downwards? In B), why are the circles drawn like that, and how do I know how they should be drawn? In C), why are there only two circles? And last but not least, with the three-finger rule, if the finger points up or down, how do I draw…
Why does the centripetal force have the same formula as the centrifugal force?
I don't understand? They're exactly the opposite of each other. One works inward, the other outward.
Is it possible to see in monochrome?
ByYetiKlee
Hey, I've been searching for a while, but I just can't find anything on this topic. Since there are now all kinds of special glasses (e.g. those that can block screens, etc.), are there any that can transform the otherwise colorful environment into monochrome for the viewer's eye? Does anyone know Does something like this…
Which object stays underwater for 1-3 minutes?
Hello We need help with a physics group project We need to build some kind of submarine. It should be an object that sinks to the bottom of the water, stays there for 1-3 minutes and then rises again on its own. Chemical reactions are not allowed. How could this work?
I'm no expert, but Wikipedia says the following:
And that seems logical to me.
I think this is because if it is not clear where an object is located, it is not possible to say how (where exactly) it bends spacetime.
Wenn Du Dich auf Gravitationswellen beziehst, dann liegt das daran, dass die Wellen als Lösungen den NICHT-LINEAREN Einsteinschen Feldgleichungen genügen…
No, thank you, I didn't mean gravitational waves.
This was more of a rhetorical question, which you just answered in your post about gravity.
Because there are really a lot of shitstormers here.
Nicht jede Nicht- Zustimmung, auch wenn sie von vielen Seiten gleichzeitig kommt, ist ein Shitstorm.
No, I don't mean those, but those who do it blatantly, even though they should be reported for it.