它近似于弹性碰撞，它从墙壁反弹。
It's a nearly elastic collision and it bounces back from the wall.
我将要尝试，完全弹性碰撞。
就像是台球在，台球桌上发生弹性碰撞。
好，上节课，我们只讲了，完全非弹性碰撞。
All right, last time we talked exclusively about completely inelastic collisions.
弹性碰撞中电子减少的能量非常少。
Elastic collisions deplete very little of the electron's energy.
若它们没粘在一起。，这不是完全非弹性碰撞。
If they don't stick, of course, then it's... it's not a completely inelastic collision.
我们知道，这几乎是弹性碰撞，它以同样速度回来。
And we all know that if it is a nearly elastic collision that it comes back with the same velocity.
我还想做更多,完全弹性碰撞，我将用空气轨实验。
Now I want to do more completely elastic collisions, and I'm going to do that with the air track.
动量守恒,可以写下2,这是完全-,非弹性碰撞。
Momentum is conserved, so I can m1*v1+ write down that m1 times v1 plus m2 - it is a completely inelastic collision-- *v times v prime.
我们将有两辆车。，现在是完全非弹性碰撞。
And we will have two cars that... Now we're going completely inelastic.
据合理估计，你得到一个弹性碰撞，但空气阻力总存在。
And so to a reasonable approximation, you will get an elastic collision, but, of course, there's always air drag.
碰球展品演示的是弹性碰撞和动量传递的原理。
Here the principles of elastic collision and dynamic transmission are demonstrated.
我们现在回到26。,我们将要实现一个,完全非弹性碰撞。
So now we are back in 26.100, and we're going to make a completely inelastic collision.
在非弹性碰撞中，总是失去动能，能否在一次碰撞中，动能增加？
提出完全弹性碰撞和完全非弹性碰撞情况下冲击能测量原理。
A measurement method of impact energy is proposed for the situations of perfect elastic collision and completely inelastic collision.
我开始计时，用和原来一样的方法，只是我现在做的是，完全非弹性碰撞。
And so now I will do the timing in exactly the same way that I did before, except that now I have a completely inelastic collision.
运用弹性碰撞理论，分析单粒子的冲击效应对飞行器涂层的影响。
The theory on elastic impact was used to analyze the shock effect of single particle, which is the main influencing factor of aircraft coating erosion.
研究了布郎运动的弹性碰撞机制，证明了布郎粒子的能量均分定理。
The elastic collision mechanism of Brownian motion is studied, and the equipartition of kinetic energy of Brownian particle has been proved.
研究了布郎运动的弹性碰撞机制，证明了布郎粒子的能量均分定理。
The elastic collision mechanism of brownian motion is studied and the equipartition of kinetic energy of brownian particle has been proved.
使用数值方法模拟考虑接触变形的梁受到球横向弹性碰撞的全过程。
The elastic impact procedure of a beam under lateral impact of ball was simulated by using numerical method in which the contact deformation was considered.
根据赫兹接触理论和非完全弹性碰撞理论，合理地确定了各接触参数。
The contact parameters are reasonably determined by means of Hertz′s contact theory and non complete elastic collision theory.
我采取这个例子，我有个完全弹性碰撞-，意味着Q为-，这是我们刚讨论过的。
And I take a case whereby - I have a completely elastic collision — 0 that means Q is zero — the kind that we have just discussed.
此外，还研究了弹性碰撞速率对参变激发过程中原子温度上升的影响。
Furthermore, the influences of the elastic collision rate on the temperature increase of the atom cloud in the process of parametric excitation are also addressed.
突破了关于完全非弹性碰撞的一种思维定势，引入了两种赝恢复系数。
A thinking orientation on the completely inelastic collision is broken out. Two kinds of the coefficient of pseudo-restitution are drawn.
你看这些质量是否相等,这里是弹性碰撞，它静止，它以v2’运动，它的速度是。
You will see if the masses are the same and there is an elastic collision, this one will stand still and this one, v2 prime, v1 will have a velocity v1.
光电子之间的非弹性碰撞使它们原来获得的能量在整个电离气体中迅速分配。
Inelastic collisions among photoelectrons rapidly distribute their initially gained energy throughout the region of ionized gas.
本文对减小气垫导轨实验的系统误差，实现完全非弹性碰撞问题进行了探讨。
Decrease the system error on the airtrack experiment and realize the full inelastic collision on the airtrack.
必须记住，动量守恒甚至对于非弹性碰撞也是成立的，尽管这时动能已不守恒。
It is important to realize that momentum conservation applies even to inelastic collisions, in which the kinetic energy is not conserved.
对于0 0 0 2的非弹性碰撞入射原子约化质量增大，大角散射几率增大。
For 00 02 inelastic collision, scattering at the large Angle keep pace with the increase of reduce mass of incident atom.
对于0 0 0 2的非弹性碰撞入射原子约化质量增大，大角散射几率增大。
For 00 02 inelastic collision, scattering at the large Angle keep pace with the increase of reduce mass of incident atom.
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