Edexcel A Level Physics:復習筆記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:復習筆記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:復習筆記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:復習筆記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:復習筆記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:復習筆記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:復習筆記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耶魯大學頂級夏校YYGS開放申請！
耶魯大學全球青年學者項目(YYGS) 正式開啟2023暑期項目招生ED早申請。YYGS 是世界上最具全球多樣性的為期兩周的學術暑期項目之一。 YYGS被譽為競爭最激烈的夏校之一。因其面向全世界招生，申請量之多錄取率之低幾...
Edexcel A Level Physics:復習筆記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...
