IB DP Physics: HL復習筆記10.2.5 Escape Speed
Escape Speed To escape a gravitational field, a mass must travel at the?escape velocity This is dependent on the mass and radius of the object creating the gravitational field, such as a planet, a ...
IB DP Physics: HL復習筆記10.2.4 Potential in a Charged Sphere
Potential in a Charged Sphere The?electric potential?in the field due to a?point charge?is defined as:Where: V?= the electric potential (V) Q?= the point charge producing the potential (C) ε0?=?per...
IB DP Physics: HL復習筆記10.2.3 Potential Gradient & Difference
Potential Gradient Electric?Potential Gradient An electric field can be defined in terms of the variation of?electric potential?at different points in the field: The electric field at a particular ...
IB DP Physics: HL復習筆記10.2.2 Potential Energy Calculations
Potential Energy Calculations Electric Potential Energy of Two Point Charges The electric potential energy Ep?at point in an electric field is defined as: The work done in bringing a charge from in...
IB DP Physics: HL復習筆記10.2.1 Potential & Potential Energy
Potential & Potential Energy Work Done on a Mass When a mass is moved against the force of gravity, work is done The work done in moving a mass?m?is given by: Where: ?W?= change in work done (J...
IB DP Physics: HL復習筆記10.1.4 Equipotential Surfaces
Equipotential Surfaces Equipotential lines (when working in 2D) and surfaces (when working in 3D) join together points that have the same?gravitational potential These are always: Perpendicular?to ...
A-level化學考試到底應該如何備考？
A-Level化學作為考試中的熱門選手，一直是同學們又愛又恨的存在：各種各樣的反應式，專有名詞，實驗操作實在讓人應接不暇，然而這背后又有相對較高的A和A*率。今天就讓我們好好來看看A-Level化學到底應該如何備考...
IB DP Physics: HL復習筆記10.1.3 Gravitational & Electrostatic Potential
Gravitational & Electrostatic Potential Gravitational Potential The gravitational potential energy (G.P.E) is the energy an object has when lifted off the ground G.P.E is given by the familiar ...
IB DP Physics: HL復習筆記10.1.2 Gravitational & Electrostatic Field Lines
Gravitational & Electrostatic Field Lines Gravitational Field Lines The direction of a gravitational field is represented by gravitational field lines The gravitational field lines around a poi...
