IB DP Physics: SL復習筆記2.1.7 Projectile Motion
Projectile Motion The trajectory of an object undergoing projectile motion consists of a?vertical?component and a?horizontal?component These need to be evaluated separately Some key terms to know, ...
IB DP Physics: SL復習筆記2.1.6 Acceleration of Free Fall Experiment
Acceleration of Free Fall Experiment The acceleration of free fall, g, is defined as: The acceleration of any object in response to the gravitational attraction between the Earth and the object Any...
IB DP Physics: SL復習筆記2.1.5 Uniform Acceleration
Equations of Motion for Uniform Acceleration Deriving Kinematic Equations of Motion The kinematic equations of motion are a set of four equations that can describe any object moving with?constant?a...
IB DP Physics: SL復習筆記2.1.4 Graphs Describing Motion
Motion Graphs Three types of graphs that can represent motion are?displacement-time?graphs,?velocity-time?graphs, and?acceleration-time?graphs Displacement-Time Graph On a?displacement-time graph… ...
IB DP Physics: SL復習筆記2.1.3 Acceleration
Acceleration Acceleration?is defined as the?rate of change of velocity In other words, it describes how much an object's velocity?changes?every?second The equation below is used to calculate the av...
IB DP Physics: SL復習筆記2.1.2 Speed & Velocity
Speed & Velocity Speed The?speed?of an object is the distance it travels every second Speed is a?scalar?quantity This is because it only contains a magnitude (without a direction) The?average s...
IB DP Physics: SL復習筆記2.1.1 Distance & Displacement
Distance & Displacement Distance?is a measure of how far an object travels It is a?scalar?quantity - in other words, the direction is not important The athletes run a total distance of 300 m Co...
IB DP Physics: SL復習筆記1.3.3 Solving Vector Problems
Solving Vector Problems In physics, vectors appear in many different topic areas Specifically, vectors are often?combined?and?resolved?to solve problems when considering motion, forces, and momentu...
IB DP Physics: SL復習筆記1.3.2 Combining & Resolving Vectors
Combining & Resolving Vectors Vectors?are represented by an arrow The?arrowhead?indicates the?direction?of the vector The?length?of the arrow represents the?magnitude Combining Vectors Vectors ...
IB DP Physics: SL復習筆記1.3.1 Vector & Scalar Quantities
Vector & Scalar Quantities A?scalar?is a?quantity?which?only?has a magnitude (size) A?vector?is a quantity which has?both?a?magnitude?and a?direction For example, if a person goes on a hike in ...
IB DP Physics: SL復習筆記1.2.3 Determining Uncertainties from Graphs
Error Bars The uncertainty in a measurement can be shown on a graph as an?error bar This bar is drawn above and below the point (or from side to side) and shows the?uncertainty?in that measurement ...
U.S. News排名權威嗎？到底還值不值得參考？
每次申請留學之前，選校都是最重要的環節。美國有很多學校，哪所更適合我們？每年選校的時候，大家都會參考世界權威排名。下面就來聊一聊U.S. News排名權威嗎？到底還值不值得參考？ U.S .News排名是什么？ U.S.N...
