根据sat官网上的解释：不同于SAT的综合能力测试，SAT2是一种专项水平测试，考察学生某一科目的水平。所以sat2部分会考察多种不同的科目，一起来看看sat2 物理词汇合集吧!
Charles’s Law
For a gas held at constant pressure, temperature and volume are directly proportional.
Coefficient of kinetic friction
The coefficient of kinetic friction, , for two materials is the constant of proportionality between the normal force and the force of kinetic friction. It is always a number between zero and one.
Coefficient of linear expansion
A coefficient that tells how much a material will expand or contract lengthwise when it is heated or cooled.
Coefficient of static friction
The coefficient of static friction, for two materials is the constant of proportionality between the normal force and the maximum force of static friction. It is always a number between zero and one.
Coefficient of volume expansion
A coefficient that tells how much the volume of a solid will change when it is heated or cooled.
Coherent light
Light such that all of the associated waves have the same wavelength and are in phase.
Collision
When objects collide, each object feels a force for a short amount of time. This force imparts an impulse, or changes the momentum of each of the colliding objects. The momentum of a system is conserved in all kinds of collisions. Kinetic energy is conserved in elastic collisions, but not in inelastic collisions. In a perfectly inelastic collision, the colliding objects stick together after they collide.
Completely inelastic collision
A collision in which the colliding particles stick together.
Component
Any vector can be expressed as the sum of two mutually perpendicular component vectors. Usually, but not always, these components are multiples of the basis vectors, and that is, vectors along the x-axis and y-axis. We define these two vectors as the x- and y-components of the vector.
Compression
An area of high air pressure that acts as the wave crest for sound waves. The spacing between successive compressions is the wavelength of sound, and the number of successive areas of compression that arrive at the ear per second is the frequency, or pitch, of the sound.
Concave lens
Also called a diverging lens, a lens that is thinner in the middle than at the edges. Concave lenses refract light away from a focal point.
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