IB DP Physics: SL復(fù)習(xí)筆記2.3.4 Work Done
Work Done Work is defined as The amount of energy transferred when an external force causes an object to move over a certain distance If the force is parallel to the direction of the object's displ...
IB DP Physics: SL復(fù)習(xí)筆記2.3.3 Elastic Potential Energy
Elastic Potential Energy Elastic potential energy is defined as The energy stored within a material (e.g. in a spring) when it is stretched or compressed It can be found from the?area under the for...
IB DP Physics: SL復(fù)習(xí)筆記2.3.2 Gravitational Potential Energy
Gravitational Potential Energy Gravitational potential energy (Ep) is energy stored in a mass due to its position in a gravitational field If a mass is?lifted?up, it will?gain?Ep?(converted?from?ot...
himcm競(jìng)賽培訓(xùn)及競(jìng)賽報(bào)名費(fèi)怎么樣？
全美一半以上的專業(yè)機(jī)構(gòu)資助與認(rèn)證，數(shù)學(xué)類含金量最高的國(guó)際學(xué)術(shù)活動(dòng)之一，那就是美國(guó)高中生數(shù)學(xué)建模學(xué)術(shù)活動(dòng)HiMCM！比賽時(shí)間越發(fā)臨近，himcm學(xué)術(shù)活動(dòng)培訓(xùn)也該提上日程。 除了上述提到的賽事背景，HiMCM還是為數(shù)...
IB DP Physics: SL復(fù)習(xí)筆記2.3.1 Kinetic Energy
Kinetic Energy Kinetic energy (Ek) is the energy an object has due to its?motion?(or velocity) The faster an object is moving, the greater its kinetic energy When an object is falling, it is?gainin...
IB DP Physics: SL復(fù)習(xí)筆記2.2.6 Friction
Friction Friction is a force that works in?opposition?to the motion of an object It occurs between two?solid bodies?that are?in contact?with one another The opposition of?friction slows?down the mo...
IB DP Physics: SL復(fù)習(xí)筆記2.2.5 Applying Newton’s Laws of Motion
Applying Newton’s Laws of Motion Newton's laws of motion are strong tools to understand the motion of objects with forces acting upon them Below are two worked examples demonstrating different situ...
IB DP Physics: SL復(fù)習(xí)筆記2.2.4 Newton’s Third Law
Newton’s Third Law Newton’s?third law of motion?states: Whenever two bodies interact, the forces they exert on each other are equal and opposite Newton’s third law explains the following important ...
IB DP Physics: SL復(fù)習(xí)筆記2.2.3 Newton’s Second Law
Newton's Second Law Newton's Second Law states: The resultant force is equal to the rate of change in momentum. The change in momentum is in the same direction as the resultant force This can also ...
8月全國(guó)雅思考位名額暫滿，應(yīng)該如何應(yīng)對(duì)？
雅思官網(wǎng)鎖住了2022年8月份全國(guó)考位，8月份所有考試均顯示名額暫滿的狀態(tài)，同學(xué)們紛紛猜測(cè)，難道和臺(tái)海有關(guān)？莫非是佩洛西訪臺(tái)？ 其實(shí)和這些都沒(méi)關(guān)系。 8月雅思筆考/機(jī)考情況 △圖源：雅思考試報(bào)名官網(wǎng) 我們查詢了...
IB DP Physics: SL復(fù)習(xí)筆記2.2.2 Newton’s First Law
Newton’s First Law Newton's First Law states: A body will remain at rest or move with constant velocity unless acted on by a resultant force If the net force acting on an object is zero it is said ...
IB DP Physics: SL復(fù)習(xí)筆記2.2.1 Free-Body Diagrams
Vectors In physics, during force interactions, it is common to represent situations as simply as possible without losing information When considering force interactions objects can be represented a...
