2022年丘成桐中学科学奖北美赛区（计算机）半决赛晋级名单
众所周知，冲刺美国名校除了硬件成绩外，软实力的突出更能让招生官眼前一亮。今天就给大家分享一门高含金量科研赛事——丘成桐中学科学奖。 2022北美赛区半决赛晋级名单（计算机） School name Name Paper title Ph...
Edexcel A Level Physics:复习笔记13.6 Resonance
Resonance The frequency of forced oscillations is referred to as the driving frequency, f, or the frequency of the applied force All oscillating systems have a natural frequency, f0, this is define...
Edexcel A Level Physics:复习笔记13.5 Velocity-Time Graph for an Oscillator
Velocity-time graph for an oscillator The velocity of an object in simple harmonic motion can be represented by a graph of velocity against time Key features of the velocity-time graph: It is 90o o...
Edexcel A Level Physics:复习笔记13.4 Displacement-Time Graph for an Oscillator
Displacement-Time graph for an oscillator The displacement of an object in simple harmonic motion can be represented by a graph of displacement against time All undamped SHM graphs are represented ...
Edexcel A Level Physics:复习笔记13.3 Period of Simple Harmonic Oscillators
Period of a simple pendulum A simple pendulum is: An object moving from side to side Attached to a fixed point above The time period of a simple pendulum can also be calculated using this equation:...
Edexcel A Level Physics:复习笔记13.2 Equations for Simple Harmonic Motion
Equations for Simple Harmonic Motion Acceleration and SHM Acceleration a and displacement x can be represented by the defining equation of SHM: a ∝ −x The acceleration of an object oscillating in s...
Edexcel A Level Physics:复习笔记13.1 Conditions for Simple Harmonic Motion
Conditions for Simple Harmonic Motion Simple harmonic motion (SHM) is a specific type of oscillation An oscillation is said to be SHM when: The acceleration is proportional to the displacement The ...
Edexcel A Level Physics:复习笔记12.7 Orbital Motion
Orbital Motion Newton's Law of Gravitation & Orbits Since most planets and satellites have a near circular orbit, the gravitational force FG between the sun or another planet provides the centr...
2023耶鲁大学顶级夏校YYGS开放申请！
耶鲁大学全球青年学者项目(YYGS) 正式开启2023暑期项目招生ED早申请。YYGS 是世界上最具全球多样性的为期两周的学术暑期项目之一。 YYGS被誉为竞争最激烈的夏校之一。因其面向全世界招生，申请量之多录取率之低几...
Edexcel A Level Physics:复习笔记12.6 Comparing Electric & Gravitational Fields
Comparing Electric & Gravitational Fields The similarities and differences between gravitational and electrostatic forces are listed in the table below: Table Comparing G and E Fields Similarit...
Edexcel A Level Physics:复习笔记12.5 Gravitational Potential for a Radial Field
Gravitational Potential for a Radial Field Near the Earth's Surface The gravitational potential energy (G.P.E) is the energy an object has when lifted off the ground given by the familiar equation:...
Edexcel A Level Physics:复习笔记12.4 Gravitational Field due to a Point Mass
Gravitational Field due to a Point Mass The gravitational field strength at a point describes how much gravitational force is experienced by a test mass at that point The strength of a gravitationa...
