Shortest Distance Between a Point and a Line How do I find the shortest distance from a point to a line? The shortest distance from any point to a line will always be the?perpendicular?distance Not...
Capacitor Charge & Discharge Graphs Charging Capacitors are charged by a?power supply?(eg. a battery) When charging, the electrons are pulled from the plate connected to the positive ter...
Energy Stored by a Capacitor When charging a capacitor, the power supply pushes electrons from the positive to the negative plate It therefore does?work?on the electrons and?electrical energ...
The?scalar product?is one method of multiplying vectors which results in a scalar and has uses when working with vectors and lines. The?vector product?is a different method, which results in a vect...
Coincident, Parallel, Intersecting & Skew Lines How do I tell if two lines are parallel? Two lines are parallel if, and only if, their?direction vectors?are?parallel This means the direction ve...
Edexcel IGCSE Chemistry 復習筆記 1.5.5 Calculate Percentage Yield Calculate Percentage Yield Yield?is the term used to describe the amount of?product?you get from a reaction In practice, you?never?...
Edexcel IGCSE Chemistry 復習筆記 1.5.4 Calculate Reacting Masses Calculate Reacting Masses Chemical equations can be used to calculate the?moles?or?masses?of reactants and products To do thi...
Relative Permittivity & Dielectric Constant Permittivity is the measure of how easy it is to generate an electric field in a certain material The relativity permittivity?εr?is sometimes ...
Kinematics using Vectors How are vectors related to kinematics? Vectors are often used in questions in the context of forces, acceleration or velocity If an object is moving in?one dimension?then i...
