Top new questions this week:
|
|
In the derivation for x coordinate of centroid of a quarter circle as shown in the image below why is the sign coming out to be negative when actually it should be positive?
|
|
I read that sodium sulphate crystals are used to make sponges. The crystals are mixed in with some other stuff, then put into a mold. The mold is heated, causing the sodium sulphate crystals to melt …
|
|
Reposting from physics.stackexchange.com/questions/736554/how-to-calculate-voltage-change-across-electrodes-in-tank-of-water because apparently this is an engineering question and not an …
|
|
If I stand in front of it when I press the “small power button” (the one which actually turns on the screen, as opposed to the big switch just giving the entire unit power), my big 1989 TV …
|
|
I’m looking for design considerations for the gymnastic equipment. NOT the software device. In my searches, I find lot of high school physics problems, some miniturized setups using marbles teaching …
|
|
I want to derive an expression for the fill level of a water tank with the shape of like a rectangular frustum, similar to the one in the picture: I know the values: $a_1$,$a_2$, $b_1$, $b_2$ and the …
|
|
Working with some power factor measurement, this article (reference: www.se.com/ww/en/faqs/FA212521/) has this interesting bit: Issue: Understanding and interpreting the sign of a power factor …
|
Greatest hits from previous weeks:
|
|
I am bit confused. The slip direction is the direction of movement of a dislocation which is denoted by the burgers vector. This makes sense in an edge dislocation, because the stress is applied …
|
|
Given: My thermodynamics text reads as follows: In SI units, the force unit is the newton ($N$), and it is defined as the force required to accelerate a mass of $1\cdot kg$ at a rate of $1\cdot\frac{…
|
|
I have assembled a small DIY drip-irrigation system for my terrace garden. Please have a look at the attached image. I switch on a small pump to start the drip-irrigation system and then switch it off….
|
|
I have an Arduino board with a 9 degree of freedom sensor, from which I must determine the pitch, yaw, and roll of the board. Here is an example of one set of data from the 9-DOF sensor: …
|
|
I want to affix a cantilever to wall. I will support the other end of the cantilever with a strut made of wood, that attaches to some point on the wall below the cantilever, as shown in this sketch (…
|
|
I tried to deliver a refrigerator and the customer saw that the refrigerator was lying down in the truck instead of standing up. He refused to accept it, claiming that the compressor would be damaged …
|
|
As I know so far, mortar and grout are mixtures of cement paste and fine aggregates, but both of them play different roles in the construction site. Is it true that grout has more strength compared to …
|
