• There must be something fundamentally wrong with the conservation of mechanical energy.

    肯定什么,基础性错误,这个机械能守恒定理

    open.163.com

  • You see it on the general exams for physics, and it's simply a matter of conservation of mechanical energy.

    一般的,物理考试见到只是一个,机械能问题

    open.163.com

  • I used first the conservation - of mechanical energy-- there was no friction-- and then I showed you that it's completely consistent with the work-energy theorem, so what would you do now?

    首先机械能,守恒定律-,这里没有摩擦力-,我会你们展示,功能定理完全一致,现在怎么呢?

    open.163.com

  • The second is more like a kite, transmitting mechanical energy to the ground, where generators turn it into electricity.

    第二个一个风筝,把机械能传递地面然后发电机转化成电能

    article.yeeyan.org

  • That is what we need when we apply the conservation of mechanical energy.

    我们运用,机械能守恒定理,需要

    open.163.com

  • The craft uses mechanical energy instead of electricity to move oil.

    这个滑翔器使用机械能代替电能推动油料

    www.ecocn.org

  • And therefore almost every mountaineer has with him or her a device which converts mechanical energy into electricity.

    因此几乎所有登山者,都会携带一种,能把机械能转化装置

    open.163.com

  • This conversion from a mechanical energy into a chemical energy can be nicely visualized when one fills a hair cell with a sensitive die that responds to the calcium ions that influx into the cell.

    如果在毛细胞中注入,离子敏感的物质,可以精确地模拟,机械能化学能的转化过程

    v.163.com

  • And so you could have used the work-energy theorem or you can use the conservation of mechanical energy.

    所以可以,功能定理,或者机械能,守恒定律

    open.163.com

  • James Joules The physicist James Joules, after we we call after him the unit of work was the first to demonstrate that heat energy and mechanical energy are really equivalent.

    物理学家我们命名单位,一个演示出,热能机械能相等人。

    open.163.com

  • We didn't even talk about it when we did the conservation of mechanical energy.

    我们甚至没有,我们运用机械能,守恒定理时候

    open.163.com

  • There is mechanical energy, mgh comes out in the scoops, and what does he notice?

    机械能来自勺子看到什么?

    open.163.com

  • And mechanical energy is only conserved if the force is a conservative force.

    机械能只有,恒定时恒定

    open.163.com

  • So with this in mind, I feel comfortable to pursue my conservation of mechanical energy.

    记住这个我们能够很放心地,使用机械能守恒定理

    open.163.com

  • We believe in the conservation of mechanical energy.

    我们相信,机械能守恒定理

    open.163.com

  • When you don't have to worry about criteria like that ordinary, mechanical energy rules supreme, and that's dictating where equilibrium lies.

    如果担心这样要求,通常机械能就占据主要地位,并且决定平衡位于何处

    open.163.com

  • It has a certain speed and since spring forces are conservative forces, I can now apply the conservation of mechanical energy.

    一个速率,既然弹力,守恒的,现在我们可以运用,机械能守恒定理

    open.163.com

  • Gravity is the only force that to use the conservation of mechanical energy because gravity is a conservative force.

    重力唯一作用,可以,机械能守恒定理,因为重力恒定

    open.163.com

  • This is visualizing the process of the conversion of mechanical energy into chemical and electrical energy very nicely.

    模拟恰到好处地演示了,机械能化学能电能转换过程

    v.163.com

  • It follows immediately from the conservation of mechanical energy.

    紧跟着,机械能,守恒定理产生

    open.163.com

  • Kinetic energy can be converted back to potential energy, can be converted back, - but the sum of them-- which we call "mechanical energy"--is conserved.

    动能可以转化,成为势能,也可以转化为动能但是总和-,我们叫做,机械能恒定的。

    open.163.com

  • Mechanical energy is conserved, because gravity is a conservative force.

    机械能守恒的,因为重力守恒

    open.163.com

  • So they convert mechanical energy of rotation to magnetic energy, 1 which is not part of 801 so I will not go into how they do that.

    它们旋转机械能,转化磁能不是801部分1,所以不会怎么

    open.163.com

  • A 23-foot-long steel rotor shaft and two roller bearings transfer the mechanical energy to the generator.

    钢质转子23英尺,固定在两只滚珠轴承上,工作时由它机械能传递发电机

    article.yeeyan.org

  • So this is the conservation of mechanical energy.

    因此,机械能守恒

    open.163.com

  • However, the conservation of mechanical energy only holds for conservative forces.

    但是机械能守恒,仅仅适用保守

    open.163.com

  • So, let the total energy be just the mechanical energy which depends on my initial conditions wherever I start.

    因此能量就是,机械能,取决于从哪里,出发初始动能

    open.163.com

  • In the internal-combustion engine of a car, an electric spark explodes gasses in the cylinder; the heat energy moves the pistons, becoming mechanical energy to move the car.

    汽车内燃机引擎里,电火花引爆气缸燃料气体,然后热能推动活塞成为机械能推动汽车行驶

    www.hjenglish.com

  • Let's try the conservation of mechanical energy.

    我们机械能守恒定律解答一下。

    open.163.com

  • Let's try the conservation of mechanical energy.

    我们机械能守恒定律解答一下。

    open.163.com

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