A 10-Kg Box Is at Rest at the End of an Unstretched

question 4

Multiple Choice

A 10-kg box is at rest at the end of an unstretched spring with constant k = 4000 N/m. The mass is struck with a hammer giving it a velocity of 6.0 m/s to the right across a frictionless surface. What is the amplitude of the resulting oscillation of this system?

• A)0.3 m
• B)0.4 m
• C)0.5 m
• D)0.6 m
• E)2 m

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