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...
2023美本申请季综合性大学标化政策要求盘点！
2023Fall申请季开始了，美国大学的标准化成绩的政策根据情况进行了调整。有的延续2022年的政策，而有的对标准化成绩进行了严格的要求。一般有以下四种类型：Test-Required：必须提交SAT/ACT分数，否则申请材料并...
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...
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...
IB DP Physics: SL复习笔记5.4.2 Magnetic Force on a Charge
Magnetic Force on a Charge Calculating Magnetic Force on a Moving Charge The magnetic force on an isolating moving charge, such an electron, is given by the equation: F = BQv sinθ Where: F = force ...
2022年美本学费涨价！留学生们如何才能节省开支？
美国大学国际学生学费又涨了！随着美国疫情的常态化，有些院校不光恢复了线下教学，还涨了学费。 美国留学费用年年攀升 美国留学的费用一般包括留学申请、学费及生活费。 留学申请费用会根据学校不同，涉及申请费...
IB DP Physics: SL复习笔记5.4.1 Magnetic Fields
Magnetic Fields Magnetic Field Definition A magnetic field is a field of force that is created either by: Moving electric charge Permanent magnets Permanent magnets are materials that produce a mag...
