IB DP Physics: SL復(fù)習(xí)筆記2.4.1 Force & Momentum
Force & Momentum Linear momentum,?p, is defined as the product of mass and velocity Momentum is a?vector?quantity - it has both a?magnitude?and a?direction This means it can have a negative or ...
IB DP Physics: SL復(fù)習(xí)筆記2.3.7 Efficiency
Efficiency The efficiency of a system is a measure of how well energy is transferred in a system Efficiency is defined as: The ratio of the useful power or energy transfer output from a system to i...
IB DP Physics: SL復(fù)習(xí)筆記2.3.6 Principle of Conservation of Energy
Principle of Conservation of Energy The Principle of Conservation of Energy states that: Energy cannot be created or destroyed, it can only be transferred from one form to another This means the to...
2023韓國AP考試報(bào)名8月即將開啟，附AP考試報(bào)名流程
近日，韓國AP考試官網(wǎng)悄悄更新了2023年AP報(bào)考相關(guān)時(shí)間安排！負(fù)責(zé)執(zhí)行韓國地區(qū)AP考試的機(jī)構(gòu)KAEC的官網(wǎng)進(jìn)行了報(bào)名時(shí)間上的更新，一起來看看吧~ 第一輪報(bào)名時(shí)間計(jì)劃于8月開始（暫未公布具體時(shí)間），至 2022 年 11 月...
IB DP Physics: SL復(fù)習(xí)筆記2.3.5 Power
Power The power of a mechanical process is the?rate at which energy is transferred Since work done is equal to the energy transferred, power can also be defined as the rate of doing work or?the wor...
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競賽培訓(xùn)及競賽報(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)類含金量最高的國際學(xué)術(shù)活動(dòng)之一，那就是美國高中生數(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...
