猝不及防！“镀金神器”澳洲AMC的这个地区考点将率先截止报名！
更多国际赛事干货/真题、藤校学霸故事，关注【翰林课程】公众号！ 含金量和美国AMC“平起平坐” 全球2000万数学娃的共同选择 澳洲AMC数学赛事 你还没报名？ 这些成功圆梦康奈尔、牛剑的学霸 也都曾在澳洲AMC的国...
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...
2022 Caltech加州理工招生政策三项变更！
美本2023年秋季入学申请，往往由8月1日（周一）Common App注册开放拉开序幕。在未来的一段时间里，将陆陆续续有学生进入CA申请系统，填写申请表上的各项内容，正式走入申请季。 那除了芝加哥大学、康奈尔大学等在...
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...
IB DP Physics: HL复习笔记9.5.3 The Doppler Equation
The Doppler Equation Calculating Doppler Shift When a source of sound waves moves relative to a stationary observer, the observed frequency can be calculated using the equation below: Doppler shift...
IB DP Physics: HL复习笔记9.5.2 Uses of The Doppler Effect
Uses of The Doppler Effect The Doppler effect is important in many key areas of science including: Radar readings for moving objects Measuring the rate of blood flow within a patient Finding planet...
G5学校热门专业对于GCSE和ALEVEL要求！
GCSE学习结束后，学生开始逐步接触A-Level课程学习然后开始准备大学申请。那么在G5名校中，除了A-Level成绩，GCSE是否也会作为评估标准呢？如果是GCSE成绩也要评估，那么G5对他又有哪些要求呢？ 牛津大学 ...
