Two Masses M₁ and M₂, with M₁ = 3 M₂

question 33

Multiple Choice

Two masses m₁ and m₂, with m₁ = 3 m₂, undergo a head-on elastic collision. If the particles were approaching with speed v before the collision, with what speed are they moving apart after collision?

• A) v
• B) v/3
• C) 3v/4
• D) 3v

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