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SAT2考试是SAT subject test的通常说法，SAT2考试有别于SAT1，它是一种专项考试，考察学生某一科目的能力。下面澳际小编为大家介绍以字母J-K开头的SAT2物理考试高频词汇整理。
J
Joule
The joule (J) is the unit of work and energy. A joule is 1 N · m or 1 kg · m2/s2.
K
Kelvin
A scale for measuring temperature, dined such that 0K is the lowest theoretical temperature a material can have. 273K = 0oC.
Kepler’s First Law
The path of each planet around the sun is an ellipse with the sun at one focus.
Kepler’s Second Law
If a line is drawn from the sun to the planet, then the area swept out by this line in a given time interval is constant.
Kepler’s Third Law
Given the period, T, and semimajor axis, a, of a planet’s orbit, the ratio is the same for every planet.
Kinematic equations
The five equations used to solve problems in kinematics in one dimension with uniform acceleration.
Kinematics
Kinematics is the study and description of the motion of objects.
Kinetic energy
Energy associated with the state of motion. The translational kinetic energy of an object is given by the equation .
Kinetic friction
The force between two surfaces moving relative to one another. The frictional force is parallel to the plane of contact between the two objects and in the opposite direction of the sliding object’s motion.
Kinetic theory of gases
A rough approximation of how gases work, that is quite accurate in everyday conditions. According to the kinetic theory, gases are made up of tiny, round molecules that move about in accordance with Newton’s Laws, and collide with one another and other objects elastically. We can derive the ideal gas law from the kinetic theory.
以上便是SAT2物理考试高频词汇整理，接下来澳际小编还会连续为大家介绍其它SAT2物理词汇，希望大家持续关注。澳际小编祝大家都能取得优异的SAT2物理考试成绩!
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