Edexcel IGCSE Physics 復(fù)習(xí)筆記 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 復(fù)習(xí)筆記 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...
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 復(fù)習(xí)筆記 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 復(fù)習(xí)筆記 4.1.5 Core Practical: Investigating Thermal Energy Core Practical 8: Investigating Thermal Energy Equipment List Resolution?of measuring equipment: Thermometer...
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 復(fù)習(xí)筆記 4.1.4 Conduction, Convection & Radiation Conduction Thermal energy transfers from hotter areas to cooler areas by the processes of: Conduction Convection R...
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 復(fù)習(xí)筆記 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...
