AP美国史考察内容解读，应该如何备考？
相信很多中国学生对AP美国历史并不是很感兴趣，认为枯燥且难，学了也拿不上高分。但其实，作为一门“偏文”的AP科目，学好AP美国历史不仅能展示出学生的学术能力，还可体现出申请者是一个敢于挑战，全面发展的学生...
IB DP Physics: SL复习笔记6.2.1 Newton’s Law of Gravitation
Newton's Law of Gravitation The gravitational force between two bodies outside a uniform field, e.g. between the Earth and the Sun, is defined by Newton’s Law of Gravitation Recall that the mass of...
IB DP Physics: SL复习笔记6.1.4 Applications of Circular Motion
Applications of Circular Motion Horizontal Circular Motion An example of horizontal circular motion is a vehicle driving on a curved road The forces acting on the vehicle are: The friction between ...
IB DP Physics: SL复习笔记6.1.3 Centripetal Acceleration
Centripetal Acceleration For an object moving in a circle: The acceleration is towards the centre of the circle The magnitude of the centripetal acceleration a is: Where: a = centripetal accelerati...
IB DP Physics: SL复习笔记6.1.2 Centripetal Force
Centripetal Force An object moving in a circle is not in equilibrium, it has a resultant force acting upon it This is known as the centripetal force and is what keeps the object moving in a circle ...
IB DP Physics: SL复习笔记6.1.1 Circular Motion
Properties of Circular Motion For an object moving in a circle, it will have the following properties: Period Frequency Angular displacement Angular velocity These properties can be inferred from t...
IB DP Physics: SL复习笔记5.4.4 Solving Problems Involving Magnetic Forces
Solving Problems Involving Magnetic Forces There is a lot of mathematics surrounding magnetism and magnetic forces The key equations are: Force on a current-carrying conductor: F = BIL Force on a m...
A-level化学都在学什么？到底应该如何备考？
作为A-Level考试中的热门选手，化学一直是同学们又爱又恨的存在：各种各样的反应式，专有名词，实验操作实在让人应接不暇，然而这背后又有相对较高的A和A*率。 今天就让我们好好来看看A-level化学都在学什么？到...
IB DP Physics: SL复习笔记5.4.3 Magnetic Force on a Current-Carrying Conductor
Magnetic Force on a Current-Carrying Conductor A current-carrying conductor produces its own magnetic field When interacting with an external magnetic field, it will experience a force A current-ca...
