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？
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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...
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