Edexcel IGCSE Physics: Double Science 复习笔记：1.1.2 Speed
Edexcel IGCSE Physics: Double Science 复习笔记：1.1.2 Speed Calculating Average Speed The speed of an object is the distance it travels every second Speed is a scalar quantity This is becaus...
Edexcel IGCSE Physics: Double Science 复习笔记：1.1.1 Distance-Time Graphs
Edexcel IGCSE Physics: Double Science 复习笔记：1.1.1 Distance-Time Graphs Distance-Time Graphs A distance-time graph shows how the distance of an object moving in a straight line (from a st...
Edexcel A Level Further Maths: Core Pure:复习笔记9.1.1 Intro to Proof by Induction
Intro to Proof by Induction What is proof by induction? Proof by induction is a way of proving a result is true for a set of integers by showing that if it is true for one integer then it is true f...
Edexcel A Level Further Maths: Core Pure:复习笔记8.3.2 Damped or Forced Harmonic Motion
Damped or Forced Harmonic Motion What is damped harmonic motion? If we add a term representing a resistive force to the simple harmonic motion equation, the new equation describes a particle underg...
Edexcel A Level Further Maths: Core Pure:复习笔记8.3.1 Simple Harmonic Motion
Simple Harmonic Motion (SHM) Equations What is simple harmonic motion? A particle undergoing simple harmonic motion moves along a straight line subject to the following constraints: The acceleratio...
Edexcel A Level Further Maths: Core Pure:复习笔记8.2.2 Coupled First Order Linear Equations
Coupled First Order Linear Equations What are coupled first order linear differential equations? Coupled first order linear differential equations are a pair of simultaneous differential equations ...
Edexcel A Level Further Maths: Core Pure:复习笔记8.2.1 Solving Second Order Differential Equations
Second Order Differential Equations What is a second order differential equation? A second order differential equation is an equation containing second order derivatives (and possibly first order d...
Edexcel IGCSE Biology: Double Science 复习笔记 5.3.2 Genetic Engineering: Insulin
Edexcel IGCSE Biology: Double Science 复习笔记 5.3.2 Genetic Engineering: Insulin Manufacturing Insulin The gene for human insulin can be inserted into bacteria which then produce human insu...
Edexcel IGCSE Biology: Double Science 复习笔记 5.3.1 The Process of Genetic Engineering
Edexcel IGCSE Biology: Double Science 复习笔记 5.3.1 The Process of Genetic Engineering The Process of Genetic Engineering The gene that is to be inserted is located in the original organism...
