Recent content by Eranu

yeah i guess its just practice but my brain seems to be wired back to front when it comes to physics - ill have nother go at this one and see how i get on. i thought i would have to use a square root when i moved the r^2 across. thanks for the advice guys

Thanks for the really quick replies - I am sorry i wasnt clear enugh still getting the hang of trying to type equations on the board. I tried to follow what u said bobbajob i got something along the lines of K=(sqr root)of F/Q1Q2 but I am guessing I am miles off The equation in its true...

I have just started the physics part of a science foundation course and I am just really struggling how to rearrange equations I have been given a question to rearrange the coulombs law equation as below, to make K the subject and i have been sitting here for hours and i am no further...