Edexcel IGCSE Physics 复习笔记 4.2.1 Work Done
Edexcel IGCSE Physics 复习笔记 4.2.1 Work Done Work Done Whenever any work is done, energy gets transferred (mechanically) from one store to another The amount of energy transferred (in joul...
IB DP Maths: AI SL复习笔记5.2.1 Trapezoid Rule: Numerical Integration
Trapezoid Rule: Numerical Integration What is the trapezoid rule? The trapezoidal rule is given in the formula booklet What else can be asked to do with the trapezoid rule? Comparing the true answe...
Edexcel IGCSE Physics 复习笔记 4.1.6 Reducing Energy Loss
Edexcel IGCSE Physics 复习笔记 4.1.6 Reducing Energy Loss Reducing Energy Loss Energy loss can be reduced by doing one of two things: By reducing the amount of unwanted (wasted) energy that ...
Edexcel IGCSE Physics 复习笔记 4.1.5 Core Practical: Investigating Thermal Energy
Edexcel IGCSE Physics 复习笔记 4.1.5 Core Practical: Investigating Thermal Energy Core Practical 8: Investigating Thermal Energy Equipment List Resolution of measuring equipment: Thermometer...
IB DP Maths: AI SL复习笔记5.1.3 Modelling with Differentiation
Modelling with Differentiation What can be modelled with differentiation? Recall that differentiation is about the rate of change of a function and provides a way of finding minimum and maximum val...
Edexcel IGCSE Physics 复习笔记 4.1.4 Conduction, Convection & Radiation
Edexcel IGCSE Physics 复习笔记 4.1.4 Conduction, Convection & Radiation Conduction Thermal energy transfers from hotter areas to cooler areas by the processes of: Conduction Convection R...
IB DP Maths: AI SL复习笔记5.1.2 Applications of Differentiation
ncreasing & Decreasing Functions What are increasing and decreasing functions? A function, f(x), is increasing if f'(x) > 0 This means the value of the function (‘output’) increases as x inc...
Edexcel IGCSE Physics 复习笔记 4.1.3 Efficiency
Edexcel IGCSE Physics 复习笔记 4.1.3 Efficiency Efficiency The efficiency of a system is a measure of how well energy is transferred in a system Efficiency is defined as: The ratio of...
Edexcel IGCSE Physics 复习笔记 4.1.2 Conservation of Energy
Edexcel IGCSE Physics 复习笔记 4.1.2 Conservation of Energy Conservation of Energy The principle of conservation of energy states that: Energy cannot be created or destroyed, it can o...
IB DP Maths: AI SL复习笔记5.1.1 Introduction to Differentiation
Introduction to Derivatives Before introducing a derivative, an understanding of a limit is helpful What is a limit? What might I be asked about limits? You may be asked to use your GDC to plot the...
Edexcel IGCSE Physics 复习笔记 4.1.1 Energy Stores & Transfers
Edexcel IGCSE Physics 复习笔记 4.1.1 Energy Stores & Transfers Energy Stores & Transfers Energy can be stored in different ways, and there are changes in the way it is stored when a ...
Edexcel IGCSE Physics 复习笔记 3.3.4 Pitch & Loudness
Edexcel IGCSE Physics 复习笔记 3.3.4 Pitch & Loudness Pitch The pitch of a sound is related to the frequency of the vibrating source of sound waves If the frequency of vibration is high,...
