Modulus-Argument Form The complex number ?is said to be in Cartesian form. There are, however, other ways to write a complex number, such as in modulus-argument (polar) form. How do I write a compl...
Argand Diagrams - Basics What is an Argand diagram? An Argand diagram is a?geometrical?way to represent complex numbers as either a?point?or a?vector?in two-dimensional space We can represent the c...
Solving Quadratic Equations with Complex Roots What are complex roots?? Complex numbers?provide solutions for quadratic equations which have?no real roots Complex roots occur when solving a quadrat...
Cartesian Form of Complex Numbers Complex numbers are a set of numbers which contain both a real part and an imaginary part. The set of complex numbers is denoted as . What is an imaginary number? ...
前段時間，韓國、新加坡更新了2023年AP大考的安排。隨著9月開學，中國大陸以及中國香港各學校2023年AP大考的報名也將陸續開始。眼下報考時間即將截止，在報考之前同學們要了解一下2023年AP大考的變化，以便提前準...
2022丘成桐中學科學獎半決賽晉級名單 2022丘成桐中學科學獎各賽區報名及提交論文已于9月全部結束。經過各分賽區組委會為期一個月的3輪的評審，半決賽晉級名單陸續評出，公布如下。 2022丘成桐中學科學國內北部賽...
Damping & Plastic Deformation Damping?an oscillator affects its?amplitude?of oscillation: When?damping?is?increased?the?amplitude decreased damping?and?amplitude?are?inversely proportional?to e...
Resonance Graphs A graph of driving frequency?f?against amplitude?A?of oscillations is called a?resonance curve. It has the following key features: When?f?<?f0, the amplitude of oscillations inc...
Free & Forced Oscillations Free Oscillations Free oscillations occur when there is no transfer of energy to or from the surroundings This happens when an oscillating system is displaced and the...
Damped & Undamped Oscillating Systems In practice, all oscillators eventually stop oscillating Their amplitudes decrease rapidly, or gradually This happens due to?resistive forces, such ...
眾所周知，沖刺美國名校除了硬件成績外，軟實力的突出更能讓招生官眼前一亮。今天就給大家分享一門高含金量科研賽事——丘成桐中學科學獎。 2022北美賽區半決賽晉級名單（經濟金融建模） School name Name Paper ti...
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...
