IB DP Maths: AA HL复习笔记3.10.4 The Vector Product
The scalar product is one method of multiplying vectors which results in a scalar and has uses when working with vectors and lines. The vector product is a different method, which results in a vect...
IB DP Maths: AA HL复习笔记3.10.3 Pairs of Lines in 3D
Coincident, Parallel, Intersecting & Skew Lines How do I tell if two lines are parallel? Two lines are parallel if, and only if, their direction vectors are parallel This means the direction ve...
Edexcel IGCSE Chemistry 复习笔记 1.5.5 Calculate Percentage Yield
Edexcel IGCSE Chemistry 复习笔记 1.5.5 Calculate Percentage Yield Calculate Percentage Yield Yield is the term used to describe the amount of product you get from a reaction In practice, you never ...
Edexcel IGCSE Chemistry 复习笔记 1.5.4 Calculate Reacting Masses
Edexcel IGCSE Chemistry 复习笔记 1.5.4 Calculate Reacting Masses Calculate Reacting Masses Chemical equations can be used to calculate the moles or masses of reactants and products To do thi...
AQA A Level Physics复习笔记7.6.2 Parallel Plate Capacitor
Relative Permittivity & Dielectric Constant Permittivity is the measure of how easy it is to generate an electric field in a certain material The relativity permittivity εr is sometimes ...
IB DP Maths: AA HL复习笔记3.10.2 Applications to Kinematics
Kinematics using Vectors How are vectors related to kinematics? Vectors are often used in questions in the context of forces, acceleration or velocity If an object is moving in one dimension then i...
Edexcel IGCSE Chemistry 复习笔记 1.5.3 Moles, Mass & RFM
Edexcel IGCSE Chemistry 复习笔记 1.5.3 Moles, Mass & RFM The Mole The Mole Chemical amounts are measured in moles The symbol for the unit mole is mol One mole of a substance contains the...
IB DP Maths: AA HL复习笔记3.10.1 Vector Equations of Lines
Equation of a Line in Vector Form How do I find the vector equation of a line? The formula for finding the vector equation of a line is This is given in the formula booklet This equation can be use...
2022年IB大考放榜，IB高分膨胀时代终结！附IB成绩查询方式
今年的IB成绩有通过考试得到的，也有通过评估给到的。 在成绩公布前，看看查分攻略。 1.IB成绩查询方式 为确保所有注册DP/CP的IB考生在5月的考试季中无论是否参加考试均能获得最终成绩，IB官方为学校提供了2种获...
IB DP Maths: AA HL复习笔记3.9.5 Geometric Proof with Vectors
Geometrical Proof with Vectors How can vectors be used to prove geometrical properties? If two vectors can be shown to be parallel then this can be used to prove parallel lines If two vectors are s...
IB DP Maths: AA HL复习笔记3.9.4 The Scalar Product
The Scalar ('Dot') Product What is the scalar product? The scalar product (also known as the dot product) is one form in which two vectors can be combined together The result of taking the scalar p...
IB DP Maths: AA HL复习笔记3.9.3 Magnitude of a Vector
Magnitude of a Vector How do you find the magnitude of a vector? The magnitude of a vector tells us its size or length For a displacement vector it tells us the distance between the two points For ...
