Edexcel IGCSE Physics 复习笔记 1.2.7 Terminal Velocity
Edexcel IGCSE Physics 复习笔记 1.2.7 Terminal Velocity Terminal Velocity Falling objects experience two forces: Weight (due to gravity) Air resistance (due to friction) The force of a...
AQA A Level Maths: Mechanics复习笔记3.3.3 Coefficient of Friction - F = ma
Coefficient of Friction - F = ma How do we apply Newton’s Second Law (F = ma) in problems involving friction? The coefficient of friction combined with F = ma allows you to determine an obje...
Edexcel IGCSE Physics 复习笔记 1.2.6 Stopping Distance
Edexcel IGCSE Physics 复习笔记 1.2.6 Stopping Distance Stopping Distance The stopping distance of a car is defined as: The total distance travelled during the time it takes for a car ...
IB DP Maths: AA SL复习笔记4.6.3 Standardisation of Normal Variables
Standard Normal Distribution What is the standard normal distribution? The standard normal distribution is a normal distribution where the mean is 0 and the standard deviation is 1 Why is the stand...
Edexcel IGCSE Physics 复习笔记 1.2.5 Weight
Edexcel IGCSE Physics 复习笔记 1.2.5 Weight Weight Weight is defined as: The force acting on an object due to gravitational attraction Planets have strong gravitational fields ...
AQA A Level Maths: Mechanics复习笔记3.3.2 Coefficient of Friction
Coefficient of Friction What is friction? Friction is a force between a surface and an object that acts to resist motion of the object across the surface On a horizontal surface with no forc...
Edexcel IGCSE Physics 复习笔记 1.2.4 Unbalanced Forces
Edexcel IGCSE Physics 复习笔记 1.2.4 Unbalanced Forces Unbalanced Forces Forces can combine to produce Balanced forces Unbalanced forces Balanced forces mean that the fo...
IB DP Maths: AA SL复习笔记4.6.2 Calculations with Normal Distribution
Calculating Normal Probabilities How do I find probabilities using a normal distribution? How do I calculate P(X = x): the probability of a single value for a normal distribution? How do I calcula...
2022IB放榜，全球IB考试情况汇总！附英美名校IB申请要求
北京时间2022年7月5日晚，IB国际文凭组织正式发布了2022年IB毕业生的全球统考成绩。 今年由于疫情的原因，IBO官方宣布了上海等多地的5月IB大考取消了，转而使用预估分数的方式进行院校申请。 2022全球IB考试情况 ...
