Recent content by Joe09

Thankyou for the welcome. Of course how silly of me! The equation: Epotential = Etotal - Ekinetic is equivalent to: GMm/R = mc2 - 1/2 mv2 So when the physics book divides the equation by m we arrive at: GM/R = c2 - 1/2 v2 which is equivalent to: Vgrav = constant - 1/2...

Hi, I did a quick search but didnt find anything relevant so I apologise if this has been covered. My A2 Physics book says the following: My question is, the book does not go into any more detail and i am unsure what this equation is ment to actually be. I think it means G but i am...