Recent content by Carlos Dutra

arildno If I knew that I would not be here asking humbly. SinghRP Thanks for the explanation, it made things clearer. Nabeshin Yes, this question about negative appear in the calculus too, when I subtract the area under the x axes in the integral of a function. I guess the example can be...

Thanks for your attemption. Can you indicates to me a bibliography where I can found this definitions? I make a search in few books about mechanics and don´t found anything explicit.

I just don´t understood why magnitude is a non-negative quantity. If this is just a convention I have the same reasons to believe that i can´t be positive too.

Hey people, I searched by this question in the forum but don´t found the answer. I have a simple doubt about this theory in mechanic. The question is: There is negative force? I know that when I am working in math with a vector that represents a force I can use the negative signal to...

People say that the DC is more lethal and painful because it runs through the center, while the AC is concentrated around of the conductor. does anyone know if it's true?

It depends very much of the distance and the data you want to communicate. Bluetooth can be used, but I don´t know much about this technology. Maybe you can try using a Zigbee module, but it is a proprietary protocol, is an economical alternative in hardware and energy consumption. A...

Hello Waterboy. First, I would ask that when you have a question try to be specific and do not abbreviate the words, because many members here are from different countries and areas. For an air standard cycle, whose fuel is Diesel: To calculate the temperature in the cycle expansion...

Hello people, I am new in this forum, and have been reading very posts and I am really liking here. How I have observed, the people here have experience in their areas and are very educated. Well, I am an student of FATEC-SP, I do my undergraduate in mechanical technology, and want to know...