爱因斯坦质能方程的证明过程（The proof process of Einsteins mass energy equation）.docVIP

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爱因斯坦质能方程的证明过程（The proof process of Einsteins mass energy equation）.doc

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爱因斯坦质能方程的证明过程（The proof process of Einsteins mass energy equation） The proof process of Einsteins mass energy equation Reward points: 0 | question time: 2011-2-9 14:13 | questionger: sun | why was closed Feixu There are 1 other answers The derivation process of mass energy equation E=mc^2 The first step: to discuss the change of energy with the quality, we should first learn the thinking from the dimension: Energy dimension [E]=[M] ([L]^2) ([T]^ (-2)), that is, the energy dimension is equal to the square of the mass dimension and the dimension dimension, and the three product of the two product of the negative dimension of time and dimension. We need to reduce the energy to the function of mass to the simplest, and then demand that there is only one other variable in the energy function other than the mass. By simplifying ([L]^2) ([T]^ (-2)), we can obtain only one dimensional velocity [V_] form: [V_]*[V_]. That is, [E]=[M][V_]*[V_] So were going to talk about quality energy, and the easiest way is to start with speed v_. ---------------------------------------------------- The second step: consider energy changes first Relating to changes in energy, there are various forms of energy transformation, of which direct and quality related only to do work. Consider the effect of workmanship on energy change first. When the force F_ (followed by _ expressed vector, without representation scalar) under static mass M0 particle, each ds_ (differential displacement s_) displacement of the object, the increase of energy DE=F_*ds_ (* denotes multiplication). Consider the simplest case where the external force is the same as the displacement direction DE=Fds ---------------------------------------- The third step: how to link the work of force with the change of velocity and V? That is to say, how can we change the speed through the effect of force? We know that the force of an impulse is equal to the increment of the momentum of an object. Then, through the momentum theorem, f