Edexcel IGCSE Physics 復習筆記 1.3.4 Momentum & Safety Features
Edexcel IGCSE Physics 復習筆記 1.3.4 Momentum & Safety Features Momentum & Safety Features Since force is equal to the rate of change in momentum, the force of an impact in a vehicle...
Edexcel IGCSE Physics 復習筆記 1.3.3 Newton's Third Law
Edexcel IGCSE Physics 復習筆記 1.3.3 Newton's Third Law Newton's Third Law Newton's?third law of motion?states: Whenever two bodies interact, the forces they exert on each other are e...
AQA A Level Maths: Mechanics復習筆記4.1.4 Tilting
Tilting What does it mean if a rod is on the point of tilting? A rod will?tilt?(rotate) about a?pivot?if the?resultant moment?about that pivot is?non-zero Examples of tilting: A person walki...
TUMA和其他牛劍數(shù)學測試有什么區(qū)別？
TMUA 這兩年突然“異軍突起”，先是2021年劍橋宣布所有申請計算機科學的學生都要考 TMUA；再是今年劍橋砍掉 ECAA，改為 TMUA。可以說 TMUA 是這兩年劍橋最重視的考試了！連LSE 都官網(wǎng)鼓勵申請學生考TMUA。 為什么TM...
Edexcel IGCSE Physics 復習筆記 1.3.2 Forces & Momentum
Edexcel IGCSE Physics 復習筆記 1.3.2 Forces & Momentum Forces & Momentum When a force acts on an object that is moving, or able to move, the object will accelerate (or decelerate) Th...
AQA A Level Maths: Mechanics復習筆記4.1.3 Centres of Mass
Uniform Rods & Laminae What is meant by the centre of mass of an object? The centre of mass of an object is?the point at which the weight of the object may be considered to act For a?uni...
AQA A Level Maths: Mechanics復習筆記4.1.2 Using Moments - Equilibrium
Using Moments - Equilibrium What happens with moments if a rigid body is in equilibrium? If a rigid body is in?equilibrium?then: The?resultant force?is 0 N The?resultant moment?about?any poi...
IB DP Maths: AA SL復習筆記5.1.1 Introduction to Differentiation
Introduction to Derivatives Before introducing a?derivative, an understanding of a?limit?is helpful What is a limit? What might I be asked about limits? You may be asked to use your GDC to plot the...
Edexcel IGCSE Physics 復習筆記 1.3.1 Momentum
Edexcel IGCSE Physics 復習筆記 1.3.1 Momentum Calculating Momentum A moving object has?momentum?which is defined by the equation: p?=?mv Where: p?= momentum in kilogram metre p...
AQA A Level Maths: Mechanics復習筆記4.1.1 Moments Diagrams
Moments Diagrams When an object is modelled as a?particle?we do?not?need to consider the?rotation?of the object due to forces. When we model an object as a?rigid body??then we need to consid...
Edexcel IGCSE Physics 復習筆記 1.2.9 Hooke's Law
Edexcel IGCSE Physics 復習筆記 1.2.9 Hooke's Law Hooke's Law The relationship between the extension of an elastic object and the applied force is defined by?Hooke's Law Hooke's Law states th...
高含金量化學國際競賽有哪些？
對于申請海外名校的學生們來說，除了標化成績外，國際學術活動也是重要的競爭因素之一。今天小編幫大家盤點下熱門的以及下半年即將要開始的化學國際學術活動，大家可以提前備戰(zhàn)自己心儀的賽事哦！ CCC 加拿大化學...
