A 48 Kg Block Attached to a Spring Executes Simple Harmonic

A 4.8 kg block attached to a spring executes simple harmonic motion on a frictionless horizontal surface.At time t = 0 s,the block has a displacement of -0.90 m,a velocity of -0.80 m/s,and an acceleration of +2.9 m/s².The force constant of the spring is closest to:

A) 15 N/m
B) 14 N/m
C) 13 N/m
D) 12 N/m
E) 11 N/m

Correct Answer:

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