一、等温过程 特征T常量

一、冲量质点的动量定理 动量物体的质量与速度的乘积叫做物体的动量

1. The position vector and displacement Let the plane of the two-dimensional motion be the x-y plane of a Cartesian coordinate system

Electrical Potential Ener and Electric Potentia 17.1 Electrical potential energy and electric potential 1. Electric force is conservative force Coulomb's force:

Electric Fields 918.1 Conductors in electric field 1. Conductors A conductor is a material in which the electrons at the outer periphery of an atom have no great affinity for any particular individual

The Heisenberg uncertainty principles Nature is bilateral: particles are waves and waves are particles. The particle aspect carries with it the traditional concepts of position and momentum; The wave aspect carries with it the concepts of wavelength and frequency

26.1 Some important discoveries at the end of the 20th century a. Measured the charge of the cathode rays; b. Make a static electric deflection of the cathode rays; . Measured the charge to mass ratio of the cathode rays;

1. The discovery of electrification OThe phenomenon of electrification Glass rod is rubbed with silk-positive Amber rod is rubbed with fur--negative

8—3电场强度 一、静电场 实验证实了两静止电荷间存在相互作用的静电力,但其相互作用是怎样实现的?

I. Choose the Correct Answer . real engine has an efficiency of33%. The engine has work output of2 4J4 per cycle.how much heat energy is extracted from the high-temperature reservoir per cycle? (D) (A)8J