Thank you so much this is a good starting point. I know how to calculate de standard deviation of a quantity f(a, b). Can you explain me why the system amplifier+transducer can be described as a function f=A*B?
Hi, thse are the datasheets of the transducer (which is a piezoresistive pressure transducer) and amplifier.
I hope they can help to understand a bit more the problem.
I can try to explain one solution I found but I can't understand very well.
According this solution, we have the characteristcs...
Yes it's actually just an exercise based on real instruments. I have the complete datasheet but I don't know if I can share it. There are a lot of other informations but I don't know if they are useful. In particular:
Transducer:
Excitation=1(mA)
Output signal(FSO@1mA)=100(mV) (nominal)
The...
[Mentor Note -- thread moved to the schoolwork forums from the technical forums]
Summary:: I would like to understand how to calculate the error of a measurement provided by a measuring chain
Hello to everyone, I'm going to explain the problem I would like to understand better. Thank you for...
yes because also for the irreversible trasnformation I can write (cosidering for example hot reservoir)
∫(dQ/T)_irr=(1/T_h)*∫dQ
In fact also for irreversible transformation the temperatures of resevoirs are...
Hello to everyone, I'm studying thermodinamics and I would like to understand better the meaning of entropy and how to calculate it.
I know that if A and B are two possible states of a system, the equation whcih defines variation of entropy from A to B is...
I have understood almost each point of the problem. My dubst is that equation (1) and (2) could pull to think the two works are different and they are indeed. However in the first case envirorment work is lower but thare is also heat trasmission.
Thank you for the help
Thanks Chestrmiller for your answer. I have read the discussion and I think I have understood better the problem.
First of all I'm happy to see I have made a few good observations, friction forces on the cylinder didn't do work because cylinder is fixed. Then also work expression seems correct...
Hi guys,
First of all I'm sorry for my bad english I'll try to be as clear as possible.
I have tried to solve this problem to understand the First Law of Thermodinamics: Q+L=ΔE_t
In fact I know L (in the current convention) is the work which the envirorment does on the system but I don't...
Yes, In fact I applied Huygens-Steiner theroem to calculate the moment of inetia from the disk’s CM and so the angular momentum.
Indeed I don’t know how I can calculate the angular momentum about the disk’s CM calculating the momentum about the CM of the system before the collision and then add...
I don't know what part of my work isn't enough clear because I think I explained each passage of my reasoning and I reported all the given data.
I'll try to clarify this passage:
When I calculate w'' (which is the angular speed in the case B), initially I tried to use the axis of disk's CM...
Also I can't explain very well, sorry. okay I understand that in case A, I can choose only the the axis through disk's CM because force of constraint havo no momentum about that axis, while in case B I can choose any pole because there are no external forces. However when I calculate the angular...
I’m not sure I explained well my difficulties: my results agree with book’s solutions. However I would like to know if the method I used is right and why I can’t calculate the angular momentum in the same way of the case A and so when I can use Po=Io*w (where Io is the monent of inertia about a...