ApproachingTotal Momentum: 6.00 kg·m/sKE Retained: 100.0%
t = 0.00 s/ 6.0s
Momentum & Energy Conservation Audit
Σp_initial = Σp_final = 6.00 kg·m/sBefore Impact
Cart 1 (p₁)6.00 kg·m/s
Cart 2 (p₂)0.00 kg·m/s
Total Momentum (p_total)6.00 kg·m/s
Total Kinetic Energy (KE)9.00 J
After Impact
Cart 1 (p₁')0.00 kg·m/s
Cart 2 (p₂')6.00 kg·m/s
Total Momentum (p_total')6.00 kg·m/s
Total Kinetic Energy (KE')9.00 J
Kinetic Energy Retained: 100.0%KE Conserved (Elastic)
Cart 1 (Left, Blue)
Mass m₁2.0 kg
Initial Velocity u₁+3.0 m/s
Cart 2 (Right, Orange)
Mass m₂2.0 kg
Initial Velocity u₂0.0 m/s
Momentum & Restitution Equations
Total Momentum Conservation:
m₁u₁ + m₂u₂ = m₁v₁ + m₂v₂
(2)(3) + (2)(0) = 6.0 kg·m/s
Coefficient of Restitution:
e = -(v₂ - v₁) / (u₂ - u₁) = 1.00
Physics Conceptual Challenge
Question 1 of 4In any closed, isolated physical system, which quantity is ALWAYS conserved during a collision?
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