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14 cards from this deck
Total momentum remains constant when no external forces act
p=mvp = mvp=mv
kg m/s
Change in momentum
I=Δp=pf−piI = \Delta p = p_f - p_iI=Δp=pf−pi
Newton-seconds (Ns)
I=F×ΔtI = F \times \Delta tI=F×Δt
Equal in magnitude, opposite in direction
Total momentum before = Total momentum after
Apply conservation separately to x and y components
Vector
At the instant of change
Objects stick together after collision
ppp = momentum, mmm = mass, vvv = velocity
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