Edexcel IGCSE Physics 復習筆記 3.1.1 Transverse & Longitudinal Waves
Edexcel IGCSE Physics 復習筆記 3.1.1 Transverse & Longitudinal Waves Transverse & Longitudinal Waves Waves can exist as one of two types: Transverse Longitudinal ...
IB DP Maths: AI SL復習筆記3.4.1 Voronoi Diagrams
Drawing Voronoi Diagrams What are Voronoi Diagrams? A?Voronoi diagram?shows the region containing the set of all points which are?closer?to one given?site?than to any other?site?on the diagram A?si...
Edexcel IGCSE Physics 復習筆記 2.4.4 Uses & Dangers of Static Electricity
Edexcel IGCSE Physics 復習筆記 2.4.4 Uses & Dangers of Static Electricity Uses of Static Electricity Electrostatic charges are used in everyday situations such as photocopiers and inkjet...
IB DP Maths: AI SL復習筆記3.3.3 Applications of Trigonometry & Pythagoras
Bearings What are bearings? Bearings?are a way of describing and using?directions?as?angles They are specifically defined for use in navigation because they give a precise?location?and/or?direction...
IB DP Maths: AI SL復習筆記3.3.2 Non Right-Angled Trigonometry
Sine Rule What is the sine rule? The sine rule allows us to find missing side lengths or angles in?non-right-angled triangles It states that for any triangle with angles?A, B?and?C Where a?is the s...
Edexcel IGCSE Physics 復習筆記 2.4.2 Core Practical: Investigating Charging by Friction
Edexcel IGCSE Physics 復習筆記 2.4.2 Core Practical: Investigating Charging by Friction Core Practical 3: Investigating Charging by Friction Aim of the Experiment The aim of this experiment ...
Edexcel IGCSE Physics 復習筆記 2.4.1 Conductors & Insulators
Edexcel IGCSE Physics 復習筆記 2.4.1 Conductors & Insulators Conductors & Insulators Conductors A?conductor?is a material that allows?charge?(usually electrons) to flow through it ea...
Edexcel IGCSE Physics 復習筆記 2.3.5 AC & DC
Edexcel IGCSE Physics 復習筆記 2.3.5 AC & DC AC & DC Direct Current A direct current (d.c.) is defined as A current that is steady, constantly flowing in the same direction in...
IB DP Maths: AI SL復習筆記3.3.1 Pythagoras & Right-Angled Triganometry
Pythagoras What is the Pythagorean theorem? Pythagoras’ theorem is a formula that works for?right-angled triangles?only It states that for any right-angled triangle, the?square of the hypotenuse is...
