Heat pump task? How do I calculate the coefficient of performance?
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What does a math function include?
My teacher gave us this and I don't know much about it. Could someone tell me what a function is? Kind regards
Can anyone help me with this physics problem?
I can't solve task 1b). The teacher's solution says the following: 7 maxima (1 main maxima and 2 times 3 secondary maxima). All he gave us was the formula sin(a)=(n*λ)/d. I tried to solve for n but that didn't work. Could someone show me how to solve it, please?
What happens when ÜSS triggers?
ByFan223
What exactly happens when a surge protector is triggered? It becomes conductive and essentially shorts the conductors and ground, right? Does the surge protector or the NH fuses then trigger? And does it remain in this conductive state, or is there still power after it is triggered? And with DC (PV) does the string still…
Energy in the loop?
Byngfjh
Hello, we're supposed to say which type of energy is present at which points during and before the loop—kinetic or potential. Can someone perhaps help me?
[Chemistry] What amount of triglyceride was saponified?
Good day everybody, I still need some help understanding this problem. Unfortunately, the whole problem is still very confusing for me. I'm looking forward to your help (preferably simple and detailed explanations) 🙋♂️ A triglyceride is completely saponified with 200 ml of 30 millimolar potassium hydroxide solution. The remaining potassium hydroxide solution is back-titrated with…
ε = Q_c’/P
Take the carnot, you get the ratio.