The law of conservation of energy states that energy can neither be created nor destroyed. Which of the following best demonstrates this law? A. A light bulb converting electrical energy into light and heat B. A car engine converting chemical energy into mechanical energy C. A solar panel ...
The law of conservation of energy states that energy can neither be created nor ___. A. destroyed B. discovered C. invented D. produced 相关知识点: 试题来源: 解析 A。本题考查能量守恒定律。能量守恒定律表明能量既不能被创造也不能被毁灭,选项 B 发现、选项 C 发明、选项 D 产生均不符合能...
The law of conservation of energy was formulated by _. A. Michael Faraday B. James Clerk Maxwell C. Robert Boyle D. Hermann von Helmholtz 相关知识点: 试题来源: 解析 D。能量守恒定律由赫尔曼·冯·亥姆霍兹提出。Michael Faraday 在电磁学方面有重大贡献;James Clerk Maxwell 建立了电磁场理论;Robert...
The law of conservation of energy states that energy cannot be created or destroyed. What happens to energy in a closed system? A. It remains constant B. It increases C. It decreases D. It changes form 相关知识点: 试题来源: 解析 A。在封闭系统中能量守恒,保持不变。选项 B 增加不对;...
The law of conservation of energy states that energy can neither be created nor destroyed, but it can be ___. A. transformed B. conducted C. insulated D. radiated 相关知识点: 试题来源: 解析 A。此题考查能量守恒定律和英语词汇。能量守恒定律表明能量既不能被创造也不能被消灭,但可以被转化。
The law of conservation of energy states that energy can neither be created nor destroyed. In a closed system, if the potential energy decreases, the kinetic energy ___. A. also decreases B. increases C. remains the same D. becomes zero 相关...
If the law of conservation of energy ___ true, our universe would be very different. A. weren't B. isn't C. wasn't D. hasn't been 相关知识点: 试题来源: 解析 A。本题考查虚拟语气,与现在事实相反,从句用一般过去时,be 动词用 were,这里是虚拟语气,表示假设。反馈...
The conservation of energyMayerJouleHelmholtzEarlier it has been supposed that the law of conservation of energy in chemical reactions has the following form: DU=DQ-PDV+SUM(muiDN) In the present paper it has been proved by means of the theory of ordinary differential equations that in the ...
According to the law of conservation of energy, energy cannot be created or destroyed. Which modal verb correctly expresses this physical principle? A. Energy must not be created or destroyed. B. Energy should not be created or destroyed. C. Energy could not be created or destroyed. D. ...
To keep in force a law that is per se incompatible with the Covenant is in itself inconsistent with current international standards regarding reparation for cases of human rights violations. daccess-ods.un.org 一项本身就不符合《公约》规定的法律,如保 持其效力,这样作本身就不符合有关赔偿侵犯人权...