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If you don't go pray with them, how did they not figure out yet that you are not religious? Do they think you pray alone at a different time?

@DCTLib You should be explicitly informed when the new ID is issued that you should never travel with a document that has been reported stolen upon recovery. And I would assume when they ask they would add something like "it's reported stolen" so OP would know that's the reason.

the velocity cannot be greater after cross sectional area increased. At least not for an incompressible fluid. @sammy gerbil this would be a good explanation as well

I would guess the $\Delta p$ of 7500 is too high. If you calculate the same problem with lower $\Delta p$ it works. Probably they either chose $\Delta p$ too high or v1 too low. For such a high increase in pressure the corresponding drop in velocity is greater than v1, therefore you would get a negative v2.

@Air Thank you!

@Wasabi Yes I found it, I was under the impression that 'close' and 'flag' would yield the same options. 'In need of moderator intervention' is only available under 'flag' Should be taken care of (if needed) soon :)

@Wasabi Thanks, must have somehow overlooked that option in flagging or I only looked under 'close'. This was what I was looking for.

engineering.stackexchange.com/questions/7202/… I tried flagging this question as a duplicate of physics.stackexchange.com/questions/232930/… however using the interface the page must exist on the engineering.se and the flag for belongs on another network only offers me our meta. Does somebody else feels like this should be cleaned up?

@Air It's been at least 15 years since I played Doom and I wasn't fluent in english back in the days. But your question got me googling and I saw that you can download doom for free nowadays. I should check that out :)

@Air What version did you play? It refers to "ID Keys Firearms Armor". I'm not sure but I think it was the original 1996 Version I played.

@Air What do you mean?

Exactly! Thank you!

@Air Seems so, all the questions highlighted contain at least one of my favorit tags

I'm not sure if this is the approriate area for my question. I noticed some questions in my feed are marked in a light brownish color. What's the meaning behind this?

@KyleKanos I tried to rephrase my question (physics.stackexchange.com/questions/197812/calculate-potential) here but in the end it just comes down to the fact that I did not knew how to calculate the derivatives. I doubt that would benefit physics.SE and to that specific excersise I don't have questions regarding potentials. What would be the right way to go on about this? It's the first time I asked a question that I can't rephrase to fit the Q&A format.