The discussion revolves around a problem in electrostatics, specifically involving the motion of a proton in a uniform electric field. The original poster seeks to determine the final speed of the proton after it travels a specified distance in the field.
There is an ongoing exploration of different approaches to the problem, including the use of classical mechanics and energy principles. Some participants express confusion regarding the appropriate energy terms to use, particularly in distinguishing between gravitational and electrostatic potential energy.
Participants note the importance of understanding the properties of the proton, such as its mass and charge, and the need to clarify the correct application of energy concepts in the context of electric fields.
No! The only thing analogous is that the force acting on the particle is constant. You mustn't use gravitational potential energy (which is proportional to the mass) but electrostatic potential energy (Which is proportional to the charge). I made the analogy to simplify the view on the problem, but I see it's only confusing. Forget I said the whole thing!spoonthrower said:so I would use .5mvf^2-.5mvo^2=mgh
The mass cancels i know that. I use gravity?