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. This means that the total amount of energy in a closed system is always ___. A. 花厂制生空记业花厂制生空记业changing花厂制生空记业花厂制生空记业 B. 线情加几马新目新用深线情加几马新目新用...
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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 law of conservation of mass states that in a chemical reaction, the total mass of the reactants is equal to the total mass of the ___. A. products B. reagents C. catalysts D. solvents 相关知识点: 试题来源: 解析 A。质量守恒定律指出在化学反应中,反应物的总质量等于生成物的总质量...
A. Energy can be created or destroyed. B. Energy can only be transformed from one form to another. C. Energy transformation is not always efficient. D. All forms of E. nergy have the same quality. 相关知识点: 试题来源: 解析 B。本题考查能量守恒定律的理解。能量守恒定律指出能量只能从一...
a我有没有机会解释发生了什么事 Do I have the opportunity to explain has had any matter [translate] athe law of conservation of energy 能量守恒定律 [translate] 英语翻译 日语翻译 韩语翻译 德语翻译 法语翻译 俄语翻译 阿拉伯语翻译 西班牙语翻译 葡萄牙语翻译 意大利语翻译 荷兰语翻译 瑞典语翻译 希腊语...
1. The law of conservation of energy 能量守恒定律 2. Energy cannot be created or destroyed, only transformed 能量不能被创造或摧毁,只能被转换 3. The total amount of energy in a system remains constant 系统中的能量总量保持不变 4. Energy is never lost, only transferred from one form to anot...
The law of conservation of energy states that the total energy in an isolated system remains constant over time. Mathematically, we can write this out as the total energy at time two (E2) minus the total energy at time one (E1) divided by the change in time between the two (Δ...
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. ...