Recent content by JCsponge

This sounds like a silly question but if Z (atomic number) is defined as the number of protons in a nucleus. Why does Z=-1 for a beta minus particle? (since it is just an electron) I know what is happening with the decay that a up quark turns into a down quark so that a neutron turns...

Great idea, ufortunatly this is for coursework and the project must be completed in the lab.

Thanks for your reply. I have attached two images one is of the setup at the moment (left hand thumb nail) and one is my interpretation of your proposed modified setup (right hand thumb nail.) Your idea of attaching the aerofoil by a ridgid pole to a balance is really useful. This should...

Hi there, I am testing a model aero foil that I have built for an A-Level project. I mad the aerofoil out of polystyrene and have set it up so that it can go vertically up and down in from of a fan. I was hoping to investuigate how the angle of attack and different aerofoils affect the amount...