Recent content by Olijet

Hi brainpushups, Ok, it is becoming more clearer now. So it means this constant can be a different numerical value depending on the isolated system... Thank you for your help ! Olijet

Homework Statement A mass of 20kg is suspended at a high of 5 meters above the ground. It is on the moon (then acceleration = 1.635 m/ss). It falls, and we want to know the total energy halfway, at 2.5 meters above the ground. Homework Equations I suppose the equations I need to use are...