IB DP Physics: HL復(fù)習(xí)筆記10.2.5 Escape Speed
Escape Speed To escape a gravitational field, a mass must travel at the?escape velocity This is dependent on the mass and radius of the object creating the gravitational field, such as a planet, a ...
IB DP Physics: HL復(fù)習(xí)筆記10.2.4 Potential in a Charged Sphere
Potential in a Charged Sphere The?electric potential?in the field due to a?point charge?is defined as:Where: V?= the electric potential (V) Q?= the point charge producing the potential (C) ε0?=?per...
風(fēng)波再起！中國留學(xué)生發(fā)文爆料：賓大U.S.News排名數(shù)據(jù)造假…
更多國際賽事干貨/真題、藤校學(xué)霸故事，關(guān)注【翰林課程】公眾號(hào)！ 一波未平一波又起！ 今年3月，哥大教授發(fā)表長文質(zhì)疑哥大在U.S.News排名中數(shù)據(jù)造假，“引爆”了留學(xué)圈。上月月初，哥大已經(jīng)官宣退出U.S.News 2023年...
猝不及防！“鍍金神器”澳洲AMC的這個(gè)地區(qū)考點(diǎn)將率先截止報(bào)名！
更多國際賽事干貨/真題、藤校學(xué)霸故事，關(guān)注【翰林課程】公眾號(hào)！ 含金量和美國AMC“平起平坐” 全球2000萬數(shù)學(xué)娃的共同選擇 澳洲AMC數(shù)學(xué)賽事 你還沒報(bào)名？ ? 這些成功圓夢(mèng)康奈爾、牛劍的學(xué)霸 也都曾在澳洲AMC的國...
IB DP Physics: HL復(fù)習(xí)筆記10.2.3 Potential Gradient & Difference
Potential Gradient Electric?Potential Gradient An electric field can be defined in terms of the variation of?electric potential?at different points in the field: The electric field at a particular ...
IB DP Physics: HL復(fù)習(xí)筆記10.2.2 Potential Energy Calculations
Potential Energy Calculations Electric Potential Energy of Two Point Charges The electric potential energy Ep?at point in an electric field is defined as: The work done in bringing a charge from in...
IB DP Physics: HL復(fù)習(xí)筆記10.2.1 Potential & Potential Energy
Potential & Potential Energy Work Done on a Mass When a mass is moved against the force of gravity, work is done The work done in moving a mass?m?is given by: Where: ?W?= change in work done (J...
IB DP Physics: HL復(fù)習(xí)筆記10.1.4 Equipotential Surfaces
Equipotential Surfaces Equipotential lines (when working in 2D) and surfaces (when working in 3D) join together points that have the same?gravitational potential These are always: Perpendicular?to ...
IB DP Physics: HL復(fù)習(xí)筆記10.1.3 Gravitational & Electrostatic Potential
Gravitational & Electrostatic Potential Gravitational Potential The gravitational potential energy (G.P.E) is the energy an object has when lifted off the ground G.P.E is given by the familiar ...
IB DP Physics: HL復(fù)習(xí)筆記10.1.2 Gravitational & Electrostatic Field Lines
Gravitational & Electrostatic Field Lines Gravitational Field Lines The direction of a gravitational field is represented by gravitational field lines The gravitational field lines around a poi...
2022 Caltech加州理工招生政策三項(xiàng)變更！
美本2023年秋季入學(xué)申請(qǐng)，往往由8月1日（周一）Common App注冊(cè)開放拉開序幕。在未來的一段時(shí)間里，將陸陸續(xù)續(xù)有學(xué)生進(jìn)入CA申請(qǐng)系統(tǒng)，填寫申請(qǐng)表上的各項(xiàng)內(nèi)容，正式走入申請(qǐng)季。 那除了芝加哥大學(xué)、康奈爾大學(xué)等在...
IB DP Physics: HL復(fù)習(xí)筆記10.1.1 Gravitational & Electrostatic Fields
Gravitational & Electrostatic Fields A field can be defined as A region in which an object will experience a force, such as gravitational or electrostatic, at a distance A gravitational field c...
