Edexcel IGCSE Physics 复习笔记 5.1.1 Density
Edexcel IGCSE Physics 复习笔记 5.1.1 Density Density Density is defined as: The mass per unit volume of a material Objects made from low density materials typically have a low ...
Edexcel IGCSE Physics 复习笔记 4.2.7 Comparing Energy Resources
Edexcel IGCSE Physics 复习笔记 4.2.7 Comparing Energy Resources Comparing Energy Resources Each energy resource has various advantages and disadvantages associated with it A renewable energy...
Edexcel IGCSE Physics 复习笔记 4.2.6 Energy Resources
Edexcel IGCSE Physics 复习笔记 4.2.6 Energy Resources Energy Resources Energy resources are large stores of energy that can be transferred from one form into electrical energy that can be us...
Edexcel IGCSE Physics 复习笔记 4.2.5 Power
Edexcel IGCSE Physics 复习笔记 4.2.5 Power Power Machines, such as car engines, transfer energy from one type to another every second The rate of this energy transfer, or the rate of work do...
Edexcel IGCSE Physics 复习笔记 4.2.4 Work, GPE & KE
Edexcel IGCSE Physics 复习笔记 4.2.4 Work, GPE & KE Work, GPE & KE Whenever any work is done, energy gets transferred (mechanically) from one store to another This is a consequence o...
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 ...
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 ...
