IB DP Physics: HL复习笔记4.1.4 Energy in SHM
Energy in SHM The total energy of an object oscillating with SHM is the sum of its potential energy (gravitational or elastic) and kinetic energy E = EP + EK Where: E = total energy in joules (J) E...
IB DP Physics: HL复习笔记4.1.3 SHM Graphs
SHM Graphs Displacement & Velocity The displacement-time graph for an object moving with SHM is a sinusoidal curve if: The object starts to oscillate from the equilibrium position. The equilibr...
IB DP Physics: HL复习笔记4.1.2 Simple Harmonic Oscillations
Simple Harmonic Oscillations Simple harmonic motion (SHM) is defined as follows: The motion of an object whose acceleration is directly proportional but opposite in direction to the object's displa...
IB DP Physics: HL复习笔记4.1.1 Properties of Oscillations
Describing Oscillations An oscillation is defined as follows: The repetitive variation with time t of the displacement x of an object about the equilibrium position (x = 0) A pendulum oscillates ...
IB DP Physics: HL复习笔记3.2.5 Investigating Gas Laws
Investigating Gas Laws Investigating Gay-Lussac's Law Aim of the Experiment The aim of the experiment is to investigate the relationship between the pressure and the temperature of a gas at consta...
IB DP Physics: HL复习笔记3.2.4 Mole Calculations
Mole Calculations The Mole The mole is one of the seven SI base units It is used to measure the amount of substance One mole is defined as follows: The amount of substance that contains as many el...
IB DP Physics: HL复习笔记3.2.3 Kinetic Model of an Ideal Gas
Kinetic Model of an Ideal Gas Gas Pressure A gas is made of a large number of particles Gas particles have mass and move randomly at high speeds Pressure in a gas is due to the collisions of the ga...
TOP20美国大学AP成绩换学分的方式
AP成绩可以换美国大学的学分。但具体到每个学校，政策上会有不同，目前来说主要有：学分限制、科目限制和高分限制三种类型。 学分限制：对于所换学分的总数有所限制，比如西北大学要求只能换1-2个学分。 科目限制...
想申请美国TOP30大学应该怎么考AP？附美国大学对AP成绩的要求
说到美本申请必备的考试，AP绝对拥有一席之地。 与大家熟知的考察学生语言能力的托福、综合学术能力的SAT不同的是，AP作为“大学预科课程”，分为三十几个科目，更侧重考察的是学生在某一学科领域的能力。 那么AP在...
