Two Billiard Balls Are Traveling to the Right with Speeds

question 19

Multiple Choice

Two billiard balls are traveling to the right with speeds v₁ = +0.5 m/s and v₂ = +0.3 m/s.If m₁ = 2.5m₂,calculate the velocity of m₁ after it catches up to and impacts m₂.The speed of m₂ after the collision is +0.55 m/s.

• A)-0.35 m/s
• B)+0.25 m/s
• C)+0.75 m/s
• D)+0.35 m/s
• E)+0.40 m/s

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