A 020-Kg Object Is Attached to a Spring with Spring Constant

question 78

Multiple Choice

A 0.20-kg object is attached to a spring with spring constant k = 10 N/m and moves with simple harmonic motion over a horizontal frictionless surface.At the instant that it is displaced from equilibrium by -0.050 m,what is its acceleration?

• A)1 000 m/s²
• B)-40 m/s²
• C)0.1 m/s²
• D)2.5 m/s²

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