Collision and momentum calculator

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Result

Common velocity1.2 m/s
Kinetic energy lost38.4 J

Step-by-step solution

Momentum conservation

p = 6 kg·m/s
v′ = p/(m₁ + m₂) = 1.2 m/s

Key formulas

Momentum
p = m·v
Conservation
Σm·v (before) = Σm·v (after)
Perfectly inelastic
v′ = (m1v1 + m2v2)/(m1 + m2)
Impulse
J = F·Δt = m·Δv

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