I would say, "Hey, why not apply the work-energy theorem?"
我会说，为什么不用，功能定理？
It turns kinetic energy into heat, and that is perfectly fine in the work-energy theorem.
可以把动能转为热量，这点在功能定理，中是非常好的。
You get exactly the same result, and I find this somehow more pleasing to use the work-energy theorem.
会得到完全相同的答案，我觉得用功能定理，会更加的简洁。
And so you could have used the work-energy theorem or you can use the conservation of mechanical energy.
所以你也可以用，功能定理，或者是机械能，守恒定律。
To derive the Bernoulli equation, we apply the work-energy theory to the fluid in a section of a flow tube.
我们应用功能原理来导出流体在一段流管流动的伯努利方程。
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，我用了机械能，守恒定律-，这里没有摩擦力-，我会向你们展示，这，和功能定理完全一致，现在你会怎么做呢？
His work involved helping hyperactive children to use their energy in a constructive way.
他的工作包括帮助患有多动症的儿童建设性地利用他们的精力。
Your creative talents can also be put to good use, if you can work up the energy.
如果你能激发自己的能量，你的创新才能也能派上好用场。
Work on designs for the new turbine blades and sites are well advanced at the University of Southampton's sustainable energy research group.
南安普顿大学的可持续能源研究小组在设计新型涡轮叶片和选址方面进展良好。
You manage your energy in cycles that vary between work and rest.
您可以根据工作和休息之间的周期来管理自己的能量。
According to the Centre for Strategic and International Studies, about three quarters of energy we use to move things, including ourselves, accomplish no useful work.
根据战略与国际研究中心的数据，我们用于移动包括我们自己的物体的能量中，约有四分之三没有完成任何有用的工作。
If we could figure out how to improve the efficiency with which we use energy, we can do a lot more work with the energy that is available.
如果我们能弄清楚如何提高我们使用能源的效率，我们就能用可利用的能源做更多的事情。
I'm burning some energy, and I'm burning some fuel to do this somehow, to get that work to happen.
我正在燃烧一些能量，并且正在燃烧一些燃料以某种方式做到这一点，以使这项工作得以实现。
According to the Center for Strategic and International Studies, about three quarters of the energy we use to move things, including ourselves, accomplishes no useful work.
战略与国际研究中心表示，包括我们自己在内，我们用来移动事物的能量中，约有四分之三的能量没有产生有用功。
We all need to get involved in saving energy whether it's at work, at home, or at school.
无论是在工作中，在家里，还是在学校，我们都需要参与到节约能源的活动中来。
If we are eating the correct food and the correct amount of the food, we will have enough energy for our bodies and minds to work properly.
如果我们食用正确的食物和正确数量的食物，我们将有足够的能量让我们的身体和大脑正常工作。
Best of all, humor raises your energy, and that can have an effect on everything you do at school, at work, or in your personal life.
最重要的是，幽默能让你能量满满，影响你在学校、工作或是个人生活中的表现。
The lads work with furious energy.
小伙子干起活来真是生龙活虎。
You'll feel some relief right after, giving you enough energy to work for fairly long periods.
你会立即感到症状减轻一些，给你足够的精力可以工作相当长的时间。
Work hard for everything... that gives you energy.
努力投入到每件事情中……这让你充满能量。
"All of our work in energy is on clean energy, and all of it's growing," says Taylor.
“我们在能源领域开展的所有工作都围绕清洁能源，而且工作力度在不断加大，”泰勒说。
Certain industries are proving particularly popular this year, notably the energy sector, where MBAs aspire to work in alternative energy.
今年，一些产业特别受欢迎，尤其是能源行业，MBA毕业生们非常渴望在替代能源领域工作。
There are other levels of energy that work in similarfashion but are equally important.
还有其他同样重要的能量水平以类似的方式起作用。
Love requires commitment, energy, and work.
爱需要奉献、活力和努力。
And patients with excess energy can work it off in a garden.
有多余精力的病人可以在花园里完成。
You can take heat energy and convert it to work energy and vice versa, and it doesn't say anything about that you have to waste heat if you're going to transform heat into work.
你可以把热能便成功，也可以反过来，但它对于如果你要把热变成功，就必须浪费热量这件事只字未提，它只是说这是能量。
Since January, 185 companies hired lobbyists to work on energy issues, MoneyLine records show.
根据MoneyLine的报告显示，一月份以来，185个公司雇佣了致力于能源问题的说客。
Before opening the envelope containing the name of the winning city, Rogge said: "All four projects are of the highest quality - thank you for your hard work, energy and commitment."
在打开装有写着胜出城市名字的信封之前，罗格说：“所有四份计划的质量都是最高的——感谢你们的辛勤工作、干劲和承诺。”
Before opening the envelope containing the name of the winning city, Rogge said: "All four projects are of the highest quality - thank you for your hard work, energy and commitment."
在打开装有写着胜出城市名字的信封之前，罗格说：“所有四份计划的质量都是最高的——感谢你们的辛勤工作、干劲和承诺。”
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