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Physics homework?

ByKiefernholz

If the voltage in a DC source is 7V and the voltage in a resistor in the same circuit is 0V, what is the electric current? My idea would have been to calculate the current using the formula I = U/R, which in this case would be 0. But does it make sense to achieve…

To what extent does a capacitor have a homogeneous field?

ByKruemmelmonater

Hello. There's a homogeneous field between the plates of a parallel-plate capacitor. When the capacitor is charged and you pull the plates apart, the potential also increases because the distance increases and the field strength remains the same (Phi = E * s). But does the E field really remain the same no matter how…

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DerRoll
DerRoll
2 years ago

How far does the car drive in 1s? Why is that important? Do you know the movement laws of the evenly accelerated movement? These are the same for delay.

https://www.leifiphysics.de/mechanics/accelerated movement/principle/movement laws-of-equal-accelerated movement

Now you’re welcome to give me something and I’ll tell you if you’ve applied the formulas correctly.

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Mkhir
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Mkhir
2 years ago
Reply to  DerRoll

I really don’t know what formula I have to use.

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DerRoll
DerRoll
2 years ago
Reply to  Mkhir

Then you didn’t read through what I wrote or the article I linked. You need the relationship between speed and path. There’s only one formula in the article, it’s far behind.

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