Hi everybody,I am having a lot of trouble in my thermodynamics

AI Thread Summary
The user is struggling with their thermodynamics course and seeks assistance. They are encouraged to specify the problems they are facing and share their work for better guidance. Another participant expresses frustration with the difficulty of the course, mentioning they dropped it. The user also notes challenges in a mechanics course but hasn't attempted all the questions yet. They plan to post specific problems once they have tried them.
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You need to be more specific. What problems are you having? Which questions specifically? Show us the work you have done. We won't do your homework for you, only help point you in the right direction, but we can't do that without knowing where you are stuck.
 
Gah it's too hard. I just dropped the course. I also have a mechanics course that is rather difficult. I haven't had a chance to actually try all the questions just yet. I'll post the problems I have when I do try them. Thanks everyone.
 
Thread 'Collision of a bullet on a rod-string system: query'

Thread 'Collision of a bullet on a rod-string system: query'

In this question, I have a question. I am NOT trying to solve it, but it is just a conceptual question. Consider the point on the rod, which connects the string and the rod. My question: just before and after the collision, is ANGULAR momentum CONSERVED about this point? Lets call the point which connects the string and rod as P. Why am I asking this? : it is clear from the scenario that the point of concern, which connects the string and the rod, moves in a circular path due to the string...
View full post »
Thread 'A cylinder connected to a hanged mass'

Thread 'A cylinder connected to a hanged mass'

Let's declare that for the cylinder, mass = M = 10 kg Radius = R = 4 m For the wall and the floor, Friction coeff = ##\mu## = 0.5 For the hanging mass, mass = m = 11 kg First, we divide the force according to their respective plane (x and y thing, correct me if I'm wrong) and according to which, cylinder or the hanging mass, they're working on. Force on the hanging mass $$mg - T = ma$$ Force(Cylinder) on y $$N_f + f_w - Mg = 0$$ Force(Cylinder) on x $$T + f_f - N_w = Ma$$ There's also...
View full post »

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