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...
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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...
IB DP Maths: AA HL复习笔记1.8.1 Intro to Complex Numbers
What is an imaginary number? What is a complex number? What is Cartesian Form? There are a number of different forms that complex numbers can be written in The form z = a + bi is known as Cartesian...
AQA A Level Physics复习笔记6.2.5 Period of Simple Pendulum
Period of Simple Pendulum A simple pendulum is another type of simple harmonic oscillator The pendulum consists of a string and a bob (a weight, generally spherical) at the end The ti...
AQA A Level Physics复习笔记6.2.4 Period of Mass-Spring System
Period of Mass-Spring System A mass and spring system is a type of simple harmonic oscillator The time period of a mass-spring system is given by: Where: T = time period (s) m = mass (kg) k ...
