IB DP Maths: AI SL復習筆記3.1.2 Arcs & Sectors
Length of an Arc What is an arc? An arc is a part of the?circumference?of a circle It is easiest to think of it as the crust of a single slice of pizza The length of an arc depends of the size of t...
IB DP Maths: AI SL復習筆記3.1.1 Coordinate Geometry
Basic Coordinate Geometry What are cartesian coordinates? Cartesian?coordinates are basically the?x-y?coordinate system They allow us to label where things are in a two-dimensional plane In the 2D ...
IB DP Maths: AI SL復習筆記2.3.6 Strategy for Modelling Functions
Modelling with Functions What is a mathematical model? A?mathematical model?simplifies a real-world situation so it can be described using mathematics The model can then be used to make predictions...
Edexcel IGCSE Physics 復習筆記 2.3.3 Electrical Safety
Edexcel IGCSE Physics 復習筆記 2.3.3 Electrical Safety Electrical Safety Mains electricity is potentially lethal Potential differences as small as 50 V can pose a serious hazard to individua...
Edexcel IGCSE Physics 復習筆記 2.3.2 Calculating Energy Transfers
Edexcel IGCSE Physics 復習筆記 2.3.2 Calculating Energy Transfers Calculating Energy Transfers Work?is done when charge flows through a circuit Work done is equal to the?energy transferred &...
Edexcel IGCSE Physics 復習筆記 2.3.1 Electrical Power & Fuses
Edexcel IGCSE Physics 復習筆記 2.3.1 Electrical Power & Fuses Electrical Power Power is defined as The rate of energy transfer or the amount of energy transferred per second  ...
IB DP Maths: AI SL復習筆記2.3.5 Sinusoidal Models
Sinusoidal Models What are the parameters of a sinusoidal model? A?sinusoidal model?is of the form The?a?represents the?amplitude?of the function The bigger the value of?a?the bigger the?range?of v...
Edexcel IGCSE Physics 復習筆記 2.2.5 Electrical Components
Edexcel IGCSE Physics 復習筆記 2.2.5 Electrical Components Thermistors & LDRs Thermistors A thermistor is a temperature-dependent resistor It is represented by the following circuit symbol: The...
UCAS公布2022英國本科留學申請數據！
7月14日英國UCAS官網公布了截止至6月30日收到的2022年度英國大學本科留學申請數據，這也是每年公布的最終數據，對于申請英本的學生家長來說，有非常大的參考價值。 根據UCAS官方統計，2022年度總申請人數目前達到...
Edexcel IGCSE Physics 復習筆記 2.2.4 IV Graphs
Edexcel IGCSE Physics 復習筆記 2.2.4 IV Graphs IV Graphs As the potential difference across a component is increased, the current also increases This is because potential difference and curr...
IB DP Maths: AI SL復習筆記2.3.4 Direct & Inverse Variation
Direct Variation What is direct variation? The graphs of these models always?start at the origin How do I solve direct variation problems? Worked Example b)Find the time it takes to order a list of...
IB DP Maths: AI SL復習筆記2.3.3 Exponential Models
Exponential Models What are the parameters of an exponential model? An?exponential model?is of the form Where e is the mathematical constant 2.718… The?c?represents the?boundary?for the function It...
