Two Masses M₁ and M₂,with M₁ = 3 M₂,undergo a Head-On

question 34

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)3 v
• B)v/3
• C)3v/4
• D)v