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10 cards from this deck
Into perpendicular and parallel components to the surface
Newton's law of restitution
No impulse acts in the parallel direction
v⊥,after=−ev⊥,beforev_{\perp, \text{after}} = -e v_{\perp, \text{before}}v⊥,after=−ev⊥,before
0≤e≤10 \leq e \leq 10≤e≤1
v∥,after=v∥,beforev_{\parallel, \text{after}} = v_{\parallel, \text{before}}v∥,after=v∥,before
ΔKE=12m(1−e2)v⊥,before2\Delta KE = \frac{1}{2}m(1 - e^2)v_{\perp,\text{before}}^2ΔKE=21m(1−e2)v⊥,before2
Only the perpendicular component
Only perpendicular to the surface
Reverses direction
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