The formula for gravitational potential energy is U = mgh. Here, “h” stands for ___. A. height B. humidity C. heat D. hardness 相关知识点: 试题来源: 解析 A。在重力势能公式 U = mgh 中,“h”代表 height(高度)。选项 B“humidity”是湿度;选项 C“heat”是热量;选项 D“hardness”是...
Tags Energy Potential Potential energy In summary, the conversation discusses the relationship between force and potential energy in classical mechanics. The formula for this relationship is F=−∇V(q1,q2,...,qi). To determine the potential energy, one can use the formula V...
In the formula P = F/A, what does 'P' represent? A. pressure B. power C. potential D. pulse 相关知识点: 试题来源: 解析 A。解析:在公式 P = F/A 中,P 代表 pressure(压力)。B 选项 power 是功率;C 选项 potential 是潜力、势能;D 选项 pulse 是脉搏。反馈 收藏 ...
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field possesses potential energy by virtue of its altitude; if it were to fall freely, it would gain kinetic energy equal to this potential energy. Potential energy is dependent on the object's mass, its height (h) and the acceleration due to gravity (g). Mathematically, this is: ...
Explicit formulae are derived giving the Newtonian potential and field of a polygon whose surface charge density is a linear or quadratic function. The formulae involve only the elementary functions, logarithm and arctangent. Special attention is given to triangles and rectangles because they appear ...
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4-2 Gravitational potential energy Conservation of energy can be understood only if we have the formula for all of its forms. I wish to discuss the formula for gravitational energy near the surface of the Earth, and I wish to derive this formula in a way which has nothing to do with ...
19.What is the speaker’s second suggestion? A.Unplugging the devices. B.Using energy-saving devices. C.Standing beside the devices. 20.Why does the speaker make the speech? A.To call for people to take action....
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