Recent content by AlexJicu08

Yeah, but we consider it 10 Because it is more conevenient in calculations. There are other constants like the atmospheric pressure, speed of sound, speed of light and refractive index of light

There is no document. We just learn them as they are and, if the problem does not give another value (for example there are problems that give g=9.8m/s^2), we use the one we learned.

The precipitate formed at Q11 is yellow, not white. I just noticed it.

Thanks! I will use this from now on.

I will make a page with a table or constante at the beginning of the document, thanks for pointing this out.

I didn't. In my country, at Olympiads, there are some constant we just use with a certain value (for example g=10m/s^2) and I just assumed it's like that everywhere, so I didn't think I needed to mention this

Ok. I will specify it. Can you briefly explain how you got 4.9N?

I just read the problem and it says when it is at a 90 degree angle.

Ok. I will review them and, I will work on a document with the solutions. The question at Q9 is wrong and it is actually supposed to ask for the normal at the top of the ramp. Thanks for pointing this out.

Yeah, but everyone can look even just at first problem, I don't really mind, I just want some feedback. If there is anyone interested, even one person who wants to work the test, I posted it so it is available here. If this kind of posts are not appropriate for this website, you can tell and I...

Thanks for the advice. I will keep that in mind.

I made the entire test just like the mcq in the ijso, I tried to make it in the ijso style.

They are the ones I designed

I will write and I will post it by tomorrow

I'm still a student and i'm working with components of vectors (like vx and vy) and i mostly work with scalars, i don't know a lot about vectors and working with them. i could post my solution to the problem, if you want to see how i would work this out