Articles written in English Practice Questions: Sequence Special Type: Log
\(Q1\)$$a_1=2, a_{n+1}=a_n^2$$ You will see a similar problem in EJU Math advanced course 2 2011 1st Section 2If you wou...
Articles written in English 日本留学試験／EJU 2018年 第2回 日本留学試験 数学 コース1 (基本コース) 解答／2018 2nd EJU Mathematics Course 1 (Basic Course) solutions
Section 1Q1Section 2あくまで参考程度でお使いください。もし何か間違いや他の解答例がありましたら、こちらからお知らせ頂けるとありがたいです。Please use it as a just reference. Some o...
Articles written in English Special Types Recurrence Equations
Special types of Recurrence EquationsSeems this is one of the most difficult topics in EJU mathIf you want to know 3 bas...
Articles written in English Recurrence Equations for Arithmetic, Geometric and Differences Progressions
Basic 3 PatternsArithmetic Progression$$a_{n+1}-a_n=d$$This is the recurrence equation of Arithmetic ProgressionExample ...
Articles written in English Dot Product
Definition of dot product$$\vec{a}・\vec{b}=|\vec{a}||\vec{b}|\cos{\theta}$$We should not think dot product is nature thi...
GRE Physics Physics GRE-Classical Mechanics-Dynamics of Systems of Particles
ProblemsPGRE1777(2)PGRE9677(7, 20, 65)PGRE9277()PGRE8677(5, 44, 61, 62)PGRE0177(4, 54, 55)FormulasMomentum$$p=mv$$Kineti...
日本語の記事 量子力学ことはじめ
量子力学の始まり量子力学と言えば、原子の内部など小さなものを扱う時に使われる物理学である。光の速さ\(3×10^8\)に近いものや、そのスピードに伴って大きくなる距離などを扱う時は相対性理論という物理学があるのだけど、この量子力学と相対性理...
GRE Physics Physics GRE-Classical Mechanics-Rotational Motion about A Fixed Axis
ProblemsPGRE1777(48, 65)PGRE9677(21, 32)PGRE9277(8, 40, 41, 42, 78, 82, 100)PGRE8677(76, 96)PGRE0177(25, 26, 75, 89, 91)...
GRE Physics Physics GRE Classical Mechanics-Oscillatory Motion
Oscillatory MotionProblemsPGRE1777(3, 66, 90)PGRE9677(8, 84, 92, 93)PGRE9277(7, 61, 74)PGRE8677(43, 60, 77)PGRE0177(90)F...
GRE Physics Physics-GRE-Classical-Mechanics-Work and Energy
Work and EnergyProblemsPGRE1777(19, 46, 64, 66, 87)PGRE9677()PGRE9277(45, 66)PGRE8677(34, 93)PGRE0177() FormulasWork$$W=...