a穆罕默德 正在翻译,请等待...[translate] a每一个杂志都有独特的特征和固定的读者群。 Each magazine all has the unique characteristic and the fixed reader group.[translate] ait has a certain potential energy which 它有的有些势能[translate]
Which of the following has the greatest amount of potential energy? A. A ball at the top of a hill B. A car moving at high speed C. A bird flying in the sky D. A person sitting on a chair 相关知识点: 试题来源: 解析 A。势能与物体的位置和高度有关,球在山顶位置最高,具有最大的...
Gravitational potential energy depends on an object's mass and height. Which of the following has the greatest gravitational potential energy? A. a 1 kg book on a table 1 meter high B. a 2 kg book on a table 2 meters high C. a 3 kg book on a table 3 meters high D. a 4 kg ...
Potential energy of a body depends on : (i) Mass of the body (m). (ii) Acceleration due to gravity (g). (iii) Height of the body with respect to ground (h).
An example of changing gravitational potential energy into kinetic energy is a ball rolling down a ramp. A ball sitting on the top of a ramp has most...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our exp...
What are two forms of mechanical energy. How do you solve for potential energy? Give a specific example of an object that has: a. kinetic energy b. mechanical potential energy In what way does the potential of a body differ from its potential energy? (Express in terms that apply to...
Which new energy source has the potential to provide continuous power? A. Tidal power. B. Wave power. C. Geothermal power. D. Solar power. 相关知识点: 试题来源: 解析 C。解析:地热能有潜力提供持续的能量。潮汐能和波浪能受海洋条件限制,太阳能在夜晚无法提供能量。
C. The technology of renewable energy is not mature yet. D. It has limited potential and cannot replace traditional E. nergy sources. 相关知识点: 试题来源: 解析 B。本题涉及可再生能源的观点。选项 A 认为太贵不值得投资,忽视了其长远价值和环境效益。选项 B 指出是解决能源危机的关键应优先发展,...
a不是每个人都像他一样幸运和有才华 Is not each people all looks like him lucky equally and has the talent[translate] aNowadays it is not unusual for many students to find part-time jobs. During this past winter holidays. I once worked as a waiter at a McDonald’s. I worked during 现...
To begin with, there is no doubt that a low-carbon life can save energy and cut back on pollution, which is a head start to preserve the environment to a large extent and relieve the effect that climate change has on us. Besides, l...