Edexcel IGCSE Physics: Double Science 复习笔记：2.1.1 Charge & Current Current Electric current is defined as the rate of flow charge In other words, the size of an electric current is t...
Edexcel IGCSE Physics: Double Science 复习笔记： 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 Hoo...
Edexcel IGCSE Physics: Double Science 复习笔记：1.2.8 Core Practical: Investigating Force & Extension Core Practical 2: Investigating Force & Extension Equipment List Resolution of m...
Proof by Induction - Sequences What are the steps for proof by induction with sequences? STEP 1: The basic step Show the result is true for the base case If the recursive relation formula for the n...
越来越多的人开始关注那些能够对申请美国大学有帮助的学术活动。大家都希望能够在学术活动中获奖，从而敲开常青藤名校的大门。对于申请留学的学生来说，名校认可的学术活动并不多，美国含金量NO.1的USACO学术活动...
Edexcel IGCSE Physics: Double Science 复习笔记：1.2.7 Terminal Velocity Terminal Velocity Falling objects experience two forces: Weight (due to gravity) Air resistance (due to frictio...
Edexcel IGCSE Physics: Double Science 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...
Edexcel IGCSE Physics: Double Science 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 grav...
Edexcel IGCSE Physics: Double Science 复习笔记：1.2.4 Unbalanced Forces Unbalanced Forces Forces can combine to produce Balanced forces Unbalanced forces Balanced forces...
Edexcel IGCSE Physics: Double Science 复习笔记： 1.2.3 Resultant Forces Calculating Resultant Force A resultant force is a single force that describes all of the forces operating on a body W...
Edexcel IGCSE Physics: Double Science 复习笔记：1.2.2 Scalar & Vectors Scalar & Vector Quantities All quantities can be one of two types: A scalar A vector Scalars Scal...
Edexcel IGCSE Physics: Double Science 复习笔记：1.2.1 Types of Forces Effects of Forces Forces can affect bodies in a variety of ways: Changes in speed: forces can cause bodies to speed up o...
