IB DP Physics: HL复习笔记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复习笔记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复习笔记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复习笔记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复习笔记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复习笔记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 ...
IB DP Physics: HL复习笔记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复习笔记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...
IB DP Physics: HL复习笔记10.1.1 Gravitational & Electrostatic Fields
Gravitational & Electrostatic Fields A field can be defined as A region in which an object will experience a force, such as gravitational or electrostatic, at a distance A gravitational field c...
