Edexcel A Level Physics:復習筆記6.11 Centripetal Force
Centripetal Force ?Centripetal force can be calculated using any of the following equations: Centripetal force is always perpendicular to the direction of travel Where: F?= centripetal force...
Edexcel A Level Physics:復習筆記6.10 Maintaining Circular Motion
Maintaining Circular Motion An object moving in a circle is not in equilibrium, it is constantly changing direction Therefore, in order to produce circular motion, an object requires a?resultant fo...
Edexcel A Level Physics:復習筆記6.9 Centripetal Acceleration
Deriving Equations for Centripetal Acceleration An object moving in?uniform circular motion?travels with a constant?angular velocity?and?angular speed However, its?direction?is always changing Ther...
Edexcel A Level Physics:復習筆記6.8 Angular Velocity
Angular Velocity The?angular velocity?ω?of a body in circular motion is defined as: The rate of change of angular displacement In other words, angular velocity is the angle swept out by an object i...
A Level考試取得三個A*有多難？
學習A Level的同學都知道大部分英國院校發(fā)放的本科offer是基于三門A Level成績，而每一門A Level的最高等級就是A*，在每年的Alevel考試中，取得三個A*的成績都是很多同學的目標。那么A Level考試取得三個A*有多難...
Edexcel A Level Physics:復習筆記6.7 Radians & Angular Displacement
Radians A?radian?(rad) is defined as: The angle subtended at the centre of a circle by an arc equal in length to the radius of the circle Radians are used whenever describing the angular displaceme...
Edexcel A Level Physics:復習筆記6.6 Energy-Momentum Relation
Deriving the Energy-Momentum Relation The equation for calculating the?kinetic energy?Ek?of a particle?m?moving at velocity?v?is given by: The formula for the momentum?p?of the same particle is: Co...
Edexcel A Level Physics:復習筆記6.5 Elastic & Inelastic Collisions
Elastic & Inelastic Collisions In both collisions and explosions, momentum is?always?conserved However,?kinetic energy?might not always be A collision (or explosion) is either: Elastic?– if the...
Edexcel A Level Physics:復習筆記6.4 Core Practical 10: Investigating Collisions using ICT
Core Practical 10: Investigating Collisions using ICT Aims of the Experiment To investigate conservation of momentum in two directions Considering if collisions are elastic Constructing a diagram o...
