Edexcel IGCSE Biology 复习笔记 2.10.7 Synapses
Edexcel IGCSE Biology 复习笔记 2.10.7 Synapses The Role of Neurotransmitters Neurones do not actually come into direct contact with each other Where the dendrites of two neurones meet (to ma...
AQA A Level Physics复习笔记6.3.1 Damping
Damping In practice, all oscillators eventually stop oscillating Their amplitudes decrease rapidly, or gradually This happens due to resistive forces, such as friction or air resistan...
AQA A Level Physics复习笔记6.2.8 Required Practical: Investigating SHM
Required Practical: Investigating SHM Equipment List Resolution of measuring equipment: Stopwatch = 0.01 s Metre Ruler = 1 mm SHM in a Mass-Spring System The overall aim of this exper...
IB DP Maths: AA HL复习笔记1.9.2 Forms of Complex Numbers
How do I write a complex number in modulus-argument (polar) form? How do I multiply complex numbers in modulus-argument (polar) form? The main benefit of writing complex numbers in modulus-argument...
AQA A Level Physics复习笔记6.2.7 Energy in SHM
Energy in SHM During simple harmonic motion, energy is constantly exchanged between two forms: kinetic and potential The potential energy could be in the form of: Gravitational potential ene...
IB DP Maths: AA HL复习笔记1.9.1 Geometry of Complex Numbers
What does addition look like on an Argand diagram? In Cartesian form two complex numbers are added by adding the real and imaginary parts When plotted on an Argand diagram the complex number z1 + ...
IB DP Maths: AA HL复习笔记1.8.3 Introduction to Argand Diagrams
What is the complex plane? The complex plane, sometimes also known as the Argand plane, is a two-dimensional plane on which complex numbers can be represented geometrically It is similar to a two-d...
IB DP Maths: AA HL复习笔记1.8.2 Modulus & Argument
How do I find the modulus of a complex number? The modulus of a complex number is its distance from the origin when plotted on an Argand diagram A modulus is never negative What features should I k...
AQA A Level Physics复习笔记6.2.6 Harmonic Oscillators in Context
Harmonic Oscillators in Context Any oscillations about an equilibrium where its restoring force is proportional to its displacement will be simple harmonic This doesn’t apply just to pendulu...
