This question was just given on a CEE 270 exam (handwritten by professor). The way it's written doesn't make any sense to me.
Homework Statement
A force vector
\vec{F} = (70.0 \hat{i} + F_{y} \hat{j} + 140.0 \hat{k} ) N
has a component of +20.0 N in the direction defined by the vector...
This isn't actually a homework problem. I just had a question about the solution they provided.
Homework Statement
2. Solution given in solutions manual
3. My question
When they convert dE into cylindrical coordinates why does the radius "a" lose its exponent?
dE =...
Assuming your submersible doesn't collapse, there will be much greater pressure outside of it than inside. Thus, I doubt a bidirectional seal is needed. Water will be trying to get in with much more force than the air trying to get out. You could use a bidirectional seal if you want, but it's...
You would have to radically change the blades... In the pump, the blades are giving out energy to the water/liquid. In an engine, the blades would have to be receiving as much energy as possible from the air passing by it. Even then, you will have efficiency losses due to energized air passing...
I'm white... My gf of 4 years is Korean... I really don't see an issue with dating outside your ethnicity. Over the years I've learned a lot of Korean words, opened myself to an entirely different culture and was/am able to experience their foods and traditions in a whole new light... It is...
Currently I'm teaching myself Autodesk Inventor and it seems to be going pretty well. I was wondering though, in the job market what program is most used? Also what program is the most powerful in the design process? I guess what I'm really looking for is the program that would most benefit me...
I'm on Oahu. If I see anything here, I'll let you guys know... It looks like most of it is going to float north of Hawaii though, which is good; it would suck to be riding a wave and then all of a sudden get hit in the head with a refrigerator!
Because magnets are not power sources. You're converting potential energy to kinetic energy and vise versa.
Think of the repelling force of a magnet as a balloon on a stick (because that's really what it acts like). You can push against the balloon and get it to push back, but it's only...
It was more of an after-the-fact sort of idea. They already built a submersible before coming up with it. I have no idea what kind of seals they used for it though.
I do know that automotive seals probably would not work as they would need to be installed backwards (because of the orientation...