AQA A Level Physics复习笔记4.5.2 Conservation of Momentum
The Principle of Conservation of Momentum The principle of conservation of linear momentum states: The total momentum before a collision = the total momentum after a collision provided no ex...
AQA A Level Physics复习笔记4.5.1 Linear Momentum
Linear Momentum Linear momentum (p) is defined as the product of mass and velocity Momentum is the product of mass and velocity Momentum is a vector quantity - it has both a magnitude...
AQA A Level Physics复习笔记4.4.3 Newton's Third Law
Newton's Third Law Newton's Third Law states: If body A exerts a force on body B, then body B will exert a force on body A of equal magnitude but in the opposite direction This means that ev...
AQA A Level Physics复习笔记4.4.2 Newton's Second Law
Newton's Second Law Newton's Second Law states that: The resultant force on an object is equal to its rate of change in momentum. This change in momentum is in the same direction as the resu...
2024-25年美国高中申请条件、要求、时间及流程汇总！
近几年，低龄留学越来越热，为了给以后上国外名校铺路，许多家长会将孩子送去国外上高中，甚至有些小学、初中都在国外读。而美国、加拿大、英国这些教育强国则是他们的首选国家。那么读美国高中，孩子需要具备什...
AQA A Level Physics复习笔记4.4.1 Newton’s First Law
Newton's First Law Newton's First Law states: A body will remain at rest or move with constant velocity unless acted on by a resultant force If the forces on a body are balanced (the resulta...
AQA A Level Physics复习笔记4.3.7 Required Practical: Determination of g
Required Practical: Determination of g Aims of the Experiment The overall aim of the experiment is to calculate the value of the acceleration due to gravity, g This is done by measuring the ...
AQA A Level Physics复习笔记4.3.6 Terminal Velocity
Terminal Velocity For a body in free fall, the only force acting is its weight and its acceleration g is only due to gravity. The drag force increases as the body accelerates This increase i...
最爱录取中国学生的美国大学Top10盘点
随着赴美留学的学生人数越来越多，各位同学也有所发现，感觉有的学校录取中国学生很多但是有的又很少，可以说每年就几个名额。今天带大家了解一下最爱录取中国学生的美国学校Top10。 01哥伦比亚大学 中国学生占比...
AQA A Level Physics复习笔记4.3.5 Drag Forces
Drag Forces Drag forces are forces that oppose the motion of an object moving through a fluid (gas or liquid) Examples of drag forces are friction and air resistance Drags forces: Are always...
AQA A Level Physics复习笔记4.3.4 Projectile Motion
Projectile Motion The trajectory of an object undergoing projectile motion consists of a vertical component and a horizontal component These need to be evaluated separately Some key t...
AQA A Level Physics复习笔记4.3.3 SUVAT Equations
SUVAT Equations The SUVAT equations are the equations of motion used for objects in constant acceleration They contain the following variables: s = displacement (m) u = initial velocity (m ...
