APFIVE Condition for a Stationary Center of Mass
A system consists of two objects with masses m₁ and m₂ and velocities v₁ and v₂, respectively. Under which condition is the center of mass of the system at rest?
A
m₁v₁ + m₂v₂ = 0
B
v₁ = -v₂
C
m₁v₁ = m₂v₂
D
m₁ = m₂ and v₁ = -v₂
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