Edexcel IGCSE Physics 复习笔记 1.1.3 Core Practical: Investigating Motion Core Practical 1: Investigating Motion Aim of the Experiment The aim of this experiment is to investigate the motion...
Edexcel IGCSE Physics 复习笔记 1.1.2 Speed Calculating Average Speed The speed of an object is the distance it travels every second Speed is a scalar quantity This is because it only contain...
Edexcel IGCSE Physics 复习笔记 1.1.1 Distance-Time Graphs Distance-Time Graphs A distance-time graph shows how the distance of an object moving in a straight line (from a starting position) ...
Equation of a Trajectory What is the trajectory of a projectile? The trajectory of a projectile is the path it follows during its motion The modelling assumptions mean it is symmetrical It ...
Using suvat How do I use the suvat equations to solve projectile problems? For projectile motion with acceleration a m s-2 and initial velocity u m s-1 ax = 0, ay = ±g (depending on which di...
Scatter Diagrams What does bivariate data mean? Bivariate data is data which is collected on two variables and looks at how one of the factors affects the other Each data value from one variable wi...
Interpreting Data How do I interpret statistical measures? The mode is useful for qualitative data It is not as useful for quantitative data as there is not always a unique mode The mean includes a...
Univariate data is data that is in one variable. Box Plots What is a box plot (box and whisker diagram)? A box plot is a graph that clearly shows key statistics from a data set It shows the median,...
Outliers What are outliers? Outliers are extreme data values that do not fit with the rest of the data They are either a lot bigger or a lot smaller than the rest of the data Outliers are defined a...
