Two Objects, One of Mass M₁ = 2 Kg and the Second

question 60

Multiple Choice

Two objects, one of mass m₁ = 2 kg and the second of unknown mass, are connected by a compressed spring with negligible mass. The system is at rest on a frictionless table. Both objects are released simultaneously. m₁ is observed to recoil with velocity v₁ = 2 m/s , and m₂ shots forward with velocity v₂ = 4 m/s . What is the mass of m₂?

• A) 0.5 kg
• B) 1 kg
• C) 2 kg
• D) 4 kg
• E) cannot be determined

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