Multiple Choice
A 0.400-kg object is attached to a spring with spring constant k = 10.0 N/m and moves with simple harmonic motion over a horizontal frictionless surface.At the instant that it is displaced from equilibrium by −0.0550 m,what is its acceleration?
A) 2 200 m/s2
B) −220 m/s2
C) 0.220 m/s2
D) 1.38 m/s2
E) 0.550 m/s2
Correct Answer:

Verified
Correct Answer:
Verified
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