Now we can calculate what the difference is between the potential energy... the kinetic energy after the collision and the kinetic energy before the collision.
我们可以计算出差别，在储存能量。，与碰撞后动能的差别，还有碰撞前动能。
So what, now, is then the total -- energy of the system-- that is, the sum of the kinetic energy plus the potential energy?
所以现在系统内,总能量是多少-,是动能和,势能之和吗？
For us right now, the challenge is figuring out how to transform the technology's potential energy into kinetic energy that can fuel successful projects in both the public and commercial sectors.
对于我们来说，现在的难题是解决如何将技术的潜在能量转化成促使公共和商业部门的项目取得成功的动能的问题。
It means that we better get away from these deterministic models where we have a little electron here with its potential energy and its kinetic energy.
它的意思是我们最好远离，这些确定性模型，那里有一个小电子，它具有势能和动能。
Now, what we would like to do is we would like to convert all this gravitational potential energy into kinetic energy of that disk.
现在要做的，就是要转化，所有这些重力势能，变成圆盘的动能。
This is the kinetic energy for something in orbit at this radius, and this is the potential energy.
这是在轨道内这个，半径的物体的动能，这是势能。
Then we have the conservation - of mechanical energy — the sum of kinetic energy and potential energy.
我们知道，机械能守恒定律-，动能和，势能的总和。
He has just demonstrated how potential energy turns into kinetic energy by sending the ball flying across the stage, shattering a pane of glass he had bolted to the wall.
他刚刚演示完势能如何转换成动能，球飞越讲台，将他焊在墙上的镜子击破。
There is a conversion from gravitational potential energy to kinetic energy back to gravitational potential energy, and it will come to a stop here.
这就是重力势能，转换到，动能，再回到，重力势能，最终停在这里。
So the kinetic energy has increased; the potential energy is the same, so the total energy is up.
所以动能增加，势能不变，所以总能量增加。
The change in potential energy is going to be the change in kinetic energy You have conservation of energy principles.
势能的改变量，将会转化成动能的改变量，这就是能量守恒定律。
When a torque is applied to a body, potential energy is imparted to the body, which accepts it in the form of kinetic energy.
当物体上作用一力矩时，把位能给予了这个物体，物体以动能的形式接受这位能。
Swings work by converting potential energy into kinetic energy, then kinetic energy back into potential energy, over and over again.
秋千的晃动是通过势能与动能的不停转换实现的。势能转换成动能，动能再转换成势能，如此循环。
The piston converts the potential energy of the fuel into the kinetic energy that turns the crankshaft.
活塞把燃料的潜在能量转化成为动能，其将会转动曲轴。
This paper analyzes energy dissipation and potential utilization of human body. Power harvest ways are surveyed including kinetic energy, heat and chemical energy.
本文分析了人体的能量分布和利用潜力，并对目前能量收集方法进行了总结，包括人体的运动能量、热能和化学能等。
The basic principles of the structural equivalent modeling process are discussed by using the concept of structural model potential energy and model kinetic energy.
利用结构模态势能和模态动能的概念探讨复合结构等效替代模型的建模原则。
For the two-bar robot arm, we focus merely the whole kinetic energy at horizontal condition, and neglect the change of potential energy due to the bending deflection of the robot arm.
对二连杆机器人手臂在水平状态下仅考虑总的动能，而忽略由于手臂挠曲变形而产生的位能变化。
It is found that the sputtering yield of kinetic impact is increased by HCIs and the potential sputtering (PS) could be induced by impact of HCIs.
实验结果表明高电荷态离子能够增加动能溅射；同时高电荷态离子入射能够引起势能溅射。
The comparison between velocity distribution and pressure distribution in the cover was made. The result well expressed the energy transition between kinetic energy and potential energy in the cover.
罩内气速分布与压力分布的对比情况较好地反映了罩内动能与势能之间的能量转换规律。
The translational transfer matrix T, the rotational transfer matrix R and TR matrix are used to describe multi-stages isolation system's kinetic energy, potential energy and damping dissipated energy.
在推导中使用平移变换矩阵T和旋转变换矩阵R以及用TR矩阵的形式描述了多层隔振系统的动能表达式、势能表达式及耗散能表达式。
The energy app roach (Hamilton's principle) is employed to obtain the governing partial differential equation of motion from the expressions of potential and kinetic energies of the system.
通过系统的动能和势能表达式，应用哈密尔顿原理，可获得主导偏微分运动方程。
Results showed that both the potential energy and kinetic energy are smaller for the hillslope with grass coverage, and the variation is smoother than that without grass coverage.
结果表明，有草断面比无草断面下的径流动能、势能普遍偏小，变化幅度也较平缓；
The high pressure liquid in the accumulator (with potential energy) enters the working cylinder in a flash and the potential energy converts to kinetic energy.
蓄势器内的高压液体(具有势能)进入工作缸是在瞬时之间进行的，具有势能转变为动能作功的特点。
Two types of tidal energy can be extracted: Kinetic energy of currents due the tides and potential energy from the difference in height (or head) between high and low tides.
两种类型的潮汐能可提取：电流，由于潮汐的动能和势能之间的高度，从在涨潮和退潮(或主管)的差异。
Working principles Airflow screen machine abandon gravitational potential energy principle of operation, using air as the carrier, kinetic energy of the operation principle of work.
气流筛分机摈弃重力势能作业原理，采用空气作载体，动能作功的作业原理。
There is a constant shuffling, as potential energy is transformed into kinetic or elastic energy, and then back again.
能量经常在我们身体里转来换去，从势能转为动能或弹性能，然后再转变回来。
Thus if we hold a PingPong ball in our hand some distance above the floor, it has potential energy but no kinetic energy.
例如我们手握一个乒乓球保持离地面一定的高度，它具有势能而没有动能。
It is found that the ratio of the average kinetic energy of the ions to their initial average electrostatic potential energy is irrelevant to the cluster size.
研究表明，甲烷团簇爆炸后离子获得的平均动能和离子的初始平均静电势能的比值，与团簇的尺寸大小无关。
It is found that the ratio of the average kinetic energy of the ions to their initial average electrostatic potential energy is irrelevant to the cluster size.
研究表明，甲烷团簇爆炸后离子获得的平均动能和离子的初始平均静电势能的比值，与团簇的尺寸大小无关。
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