jbriggs444's latest activity

Should not the entropy from the coal power plant supplying the electricity to the motor to turn the fan more than make up the reduced...

Yes, of course. With a little bit of time to ponder, I have a different way of explaining this. "Why was there not a directional flow...

It feels like there must be a deeper reason for this. In principle, the laws of physics are symmetric and time reversible. If the input...

Yes. It is sometimes helpful to consider what happens when one takes the scenario to extremes. Suppose that we have this same 5 pound...

You have had opinions offered both ways. Both opinions are accurate. It depends on the details. Primarily on the duration of the...

Okay..i think i figured it out. Is the below correct?

Omg you are right, this is a mistake in my drawing, i must re-upload it. The right position of the points are the ones in fig.C

Yes, I agree with that. Prior to correcting it, I had written about points 1 and 2. I meant to refer to points 1 and 3. In both...

Agreed. Agreed. What increases compared to what? What specific point are you claiming does not change in pressure compared to the...

I have that T-shirt.

To which orientation of the u-shaped tube are you referring? as having the higher system pressure. You have the pressure at point...

*sigh*. Now I will need to watch the video to see what it is actually claiming... Having watched the beginning of the video, I see that...

Right The second part here is correct. That means that the fluid pressure at the air-water interface is sure to be one atmosphere. The...

Yes. Have you considered applying Boyle's law?

Why should it? Are there any specific confounding concerns that you have in mind?