AQA A Level Physics復習筆記6.2.2 SHM Graphs
SHM Graphs The displacement, velocity and acceleration of an object in?simple harmonic motion?can be represented by graphs against time All undamped SHM graphs are represented by?periodic fu...
AQA A Level Physics復習筆記6.2.1 Conditions for Simple Harmonic Motion
Conditions for Simple Harmonic Motion Simple harmonic motion (SHM)?is a specific type of oscillation An oscillation is said to be SHM when: The acceleration is proportional to the displaceme...
IB DP Maths: AA HL復習筆記1.7.2 Permutations & Combinations
?What are Permutations? A?permutation?is the number of possible arrangements of a set of objects when the?order?of the arrangements matters A permutation can either be finding the number of ways to...
AQA A Level Physics復習筆記6.1.5 Centripetal Force
Calculating Centripetal Force An object moving in a circle is not in equilibrium, it has a resultant force acting upon it This is known as the?centripetal force?and is what keeps the object ...
AQA A Level Physics復習筆記6.1.4 Centripetal Acceleration
Calculating Centripetal Acceleration Centripetal acceleration is defined as: The acceleration of an object towards the centre of a circle when an object is in motion (rotating) around a circ...
AQA A Level Physics復習筆記6.1.3 Angular Speed
Angular Speed Any object travelling in a uniform circular motion at the same speed travels with a?constantly changing velocity This is because it is?constantly changing direction, and is the...
IB DP Maths: AA HL復習筆記1.7.1 Counting Principles
What is meant by counting principles? The fundamental counting principle states that if there are?m?ways to do one thing and?n?ways to do another there are?m?×?n?ways to do?both?things Applying cou...
2022HiMCM數模比賽報名已開啟，正在組隊中！
眾所周知，HiMCM美國高中生數模比賽作為數學類賽事含金量和全球知名度數一數二的團隊項目之一。 近幾年的影響力一直在逐漸增大，每年都有來自全球幾十個國家學校、近1000支團隊參加。 目前翰林的這些隊伍也正在招...
AQA A Level Physics復習筆記6.1.2 Radians
Radians In circular motion, it is more convenient to measure angular displacement in units of?radians?rather than units of degrees The?angular displacement?(θ) of a body in circular motion i...
