Answer to: Work is done when the form of energy changes. A. False B. True By signing up, you'll get thousands of step-by-step solutions to your...
Energy is ___ makes thing work. [ ]A. what B. something C. anything D. that 相关知识点: 试题来源: 解析 答案:A核心短语/句式:what:什么翻译:能量是能使东西工作的事物。 解析:A项意为什么;B项意为某事,某物;C项意为任何事;D项意为那,那个。is后缺少表语从句,从句缺少主语,选A符合题意。反...
A阅读下面文本,完成1至5小题。Energy is something that makes things work or causes changes. Light, heat, sound and electricity are forms of energy. Here is an introduction to them.Light comes from the sun. It also comes from flashlights, candles and streetlights.Light is important because it...
1 首先看问题,这是在问efficiency,硬件工程师jack:A level 物理第五章Work, energy, and power 01 根据5.1的效率公式: 我们只需要计算出有用输出能量即可。总的输入能量已经是已知量q。 2 题目中给出了pressure(压力)和体积的变化V0和Vf,那么既然想变成功率相关的公式,就要用到力和做功的能量公式W=F×d 单...
5.1 能量守恒功(W) 是通过力(F)沿位移(d)传递到物体上的能量: W=F×d 单位是焦耳(J)。 能量守恒定律:能量既不会凭空产生也不会消失,但可以从一种形式转化为另一种形式。例如: 功可以转化为热量(如摩…
请阅读下面短文,从每小题所给的 A、B、C三个选项中,选出个最佳选项Energy is the ability to do work. Solar energy comes from the Sun.There is also energy that comes from wind and water.But do you know that energy can come from people, too? When you pedal a bike, you produce energy. ...
Energy is ___ makes one work. A. what B. something C. anything D. that . 相关知识点: 试题来源: 解析 A . 关键词(句):energy 能量 翻译:能量使人工作。 what引导的句子做整个句子的宾语从句,分析句子成分可知,宾语从句中缺少主语,故用what,what 相当于something that,故选A。 . 反馈...
a. True b. FalseWork and Energy:Work done on an object is the value of energy conversion. Energy, on the other hand, is the ability to do work. Both quantities have the unit, Joule.Answer and Explanation: Work done and energy are both scala...
Work done on a body is equal to the increase in the energy of the body, for work transfers energy to the body. If, however, the applied force is opposite to themotionof the object, the work is considered to be negative, implying that energy is taken from the object. The units in wh...
Experts believe that the Middle East and North Africa have huge 33___ for solar energy projects. This is partly because of adequate sunlight and partly because technology has become more 34___ in the region. “The l...