- #1
Question in mechanics (most of the material)
AI Thread Summary
The discussion revolves around a user seeking help with physics questions but is reminded of the forum's rules against simply providing complete solutions. The community emphasizes the importance of demonstrating prior knowledge and using the appropriate template for assistance. Users are encouraged to specify where they are struggling rather than requesting entire solutions. The thread concludes with a reminder that the forum is not a place for homework completion. Overall, the focus is on fostering learning and understanding in physics rather than just answering questions.
Here is what I tried
This question was actually asked in one of our engineering entrances.
The answer was 1D.
My teachers say that we have to use μₘ/fₘ to get to this answer. I cannot understand why. I'll be really glad if you could tell me the exact definition of power (numerically) that works in all scenarios.
TL;DR Summary: I would like to know the voltmeter readings on the two resistors separately in the picture in the following cases , When one of the keys is closed When both of them are opened (Knowing that the battery has negligible internal resistance)
My thoughts for the first case , one of them must be 12 volt while the other is 0
The second case we'll I think both voltmeter readings should be 12 volt since they are both parallel to the battery and they involve the key within what the...
My initial calculation was to subtract V1 from V2 to show that from the perspective of the second aircraft the first one is -300km/h.
So i checked with ChatGPT and it said I cant just subtract them because I have an angle between them. So I dont understand the reasoning of it. Like why should a velocity be dependent on an angle? I was thinking about how it would look like if the planes where parallel to each other, and then how it look like if one is turning away and I dont see it. Since...
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