Edexcel IGCSE Physics 复习笔记 4.2.3 Kinetic Energy
Edexcel IGCSE Physics 复习笔记 4.2.3 Kinetic Energy Kinetic Energy The kinetic energy (KE) of an object (also known as its kinetic store) is defined as: The energy an object has as a ...
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Edexcel IGCSE Physics 复习笔记 4.2.2 Gravitational Potential Energy
Edexcel IGCSE Physics 复习笔记 4.2.2 Gravitational Potential Energy Gravitational Potential Energy The gravitational potential energy (GPE) of an object (also known as its gravitational stor...
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...
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...
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...
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...
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 ...
