Core Practical 16: Investigating Resonance Aim of the Experiment Determine the value of an unknown mass by a graphical method by using the resonant frequencies of the oscillation of known masses Va...
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...
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...
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...
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 ...
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:...
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...
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 ...
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...
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...
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...
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:...
