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CSCA PhysicsChapter 1: MechanicsIntermediate

Momentum, Impulse & Collisions

动量定理与动量守恒定律 · Node 1.2

Linear momentum, impulse theorem, elastic and inelastic 1D/2D collisions, and internal explosion dynamics.

Chapter Weight: 35% of official examination
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Core Mathematical Axiom

Formula Proof & Traps
I=FΔt=Δp,m1​v1​+m2​v2​=m1​v1′​+m2​v2′​
CSCA Exam Trap Alert

Treating momentum as a scalar quantity during collisions instead of decomposing into orthogonal Cartesian components.

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