A Mass M₁ = 7

question 20

Multiple Choice

A mass m₁ = 7.0 kg is at rest on a frictionless horizontal surface and connected to a wall by an ideal spring with a spring constant of k = 50 N/m as shown in the figure.A second mass m₂ = 3.0 kg is moving to the left at v_O = 8.0 m/s.The two masses then collide and stick together.What is the maximum compression of the spring?

• A)0.48 m
• B)1.1 m
• C)2.0 m
• D)2.4 m
• E)16 m

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