Recent content by black_kitty

I must comment on the Coulomb force - vectorial & non-vectorial form: F=k*((Q1*Q2)/r^2 ) F=k*((Q1*Q2)/r^2 )*[r] >>>[r] unit vector I know that , in case of vectorial form, I can use superposition principle, and use this form when the direction is important for me. But what's more?

What for do we need operators in QM. Where is the complete state description of a quantum object?

Could anyone explain me and comment the Newtonian viscosity equaton?

What is the relationship between friction and heat?

Hi! I must derive Laplace & Poisson's equation from the Gauss law and condition for potentiality of an electrostatic field and I have no idea how to do it!