Yeah, he was my favorite philosopher. In fact, before I discovered him I thought philosophy was this weird thing where you asked silly questions like what the essence of existence is, what is the meaning of life or this Aristoteles stuff which was all a bit far-fetched to me. Nice to think about...
A fluid like water is defined by its inability to sustain tangential stresses (i.e. frictional forces), or rather, a fluid will deform under even the slightest tangential stress. Thus in principle, when there is no wind or current, you can propel a boat forward with a gram of force, or even a...
Please also note that the moment your boat starts turning the flow into the rudder is not from straight ahead (or aft..) anymore. So this allows you to have a much greater rudder angle than what theory would suggest is possible compared to neutral.
In the sailing school where I worked a long...
A lot. It is both a different operating system (Windows vs iPadOS) and a different chip set (x86 vs ARM I suppose). So, that is going to be really hard, you need some kind of framework like mono, but then for this case. I have no idea if that even exists.
Just to be clear: the computation I mean does not involve the lift coefficient, since that would indeed be circular. It would involve some analytical solution like the Kutta-Joukowski theorem that @Baluncore mentioned, or a Boundary Element Method, RANS-method, or whatever.
The lift coefficient makes the lift non-dimensional. It by itself does not compute the lift. If you want the lift coefficient, you need to measure or compute the lift (in absolute terms, so in Newtons) and then make it non-dimensional with a velocity, density and surface area as you've shown...
To drive home the point of @jbriggs444. Look here for a table with sound powers for every day sources. Note for example:
A hair dryer puts 10-6 Watt of acoustic energy in its surroundings, an accelerating motorcycle 0.1 Watt, A sonic boom of a Jet fighter is about 1 Watt. Note that these...
This doesn't make any sense. If the noise increases by more than 3dB (power (intensity) level (SIL)) or 6dB (sound pressure level, SPL) that means the energy in the air has doubled. It tells you nothing about the kinetic energy in the coin and also nothing about the relative quantities of...
This is by the way also very much not true. Homogeneity has nothing to do with crystal structure. It just means that you have the same stuff everywhere, not how this stuff is organized in space (glass is homogeneous but amorphous, i.e. has no crystal structure). Note that density in a gas or to...