IB DP Physics: SL复习笔记3.1.5 Specific Latent Heat
Specific Latent Heat During a phase change (i.e. a change of state) thermal energy is transferred to a substance or removed from it, while the temperature of the substance does not change In this c...
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留学申请过程中，专业的选择是非常重要的，因为它不仅关系到你未来几年内的学习生活，甚至意味着人生职业方向的基本确定。 数据科学（Data Science）是一门利用数据学习知识的学科，其目标是通过从数据中提取出有...
IB DP Physics: SL复习笔记3.1.3 Internal Energy
Internal Energy When a substance gains or loses thermal energy, its internal energy increases or decreases The internal energy of a substance is defined as: The sum of the total kinetic energy and ...
IB DP Physics: SL复习笔记3.1.2 Temperature
Temperature Temperature is a measure of how hot or cold objects are Temperature also determines the direction in which thermal energy will flow between two objects (or between an object and its sur...
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IB DP Physics: SL复习笔记3.1.1 Solids, Liquids & Gases
Solids, Liquids & Gases The three states of matter are solid, liquid and gas The kinetic theory of matter is a model that attempts to explain the properties of the three states of matter In thi...
IB DP Physics: SL复习笔记2.4.4 Collisions & Explosions
Collisions & Explosions In both collisions and explosions, momentum is always conserved However, kinetic energy might not always be A collision (or explosion) is either: Elastic – if the kineti...
IB DP Physics: SL复习笔记2.4.3 Conservation of Linear Momentum
Conservation of Linear Momentum The principle of conservation of linear momentum states: The total momentum before a collision = the total momentum after a collision provided no external force acts...
IB DP Physics: SL复习笔记2.4.2 Impulse
Impulse The force and momentum equation can be rearranged to find the impulse Impulse, I, is equal to the change in momentum: I = FΔt = Δp = mv – mu Where: I = impulse (N s) F = force (N) t = time ...
