A 48-Kg Block Attached to an Ideal Spring Executes Simple Harmonic

Multiple Choice

A 4.8-kg block attached to an ideal spring executes simple harmonic motion on a frictionless horizontal surface.At time t = 0.00 s,the block has a displacement of -0.90m. A velocity of -0.80 m/s And an acceleration of +2.9 m/ s². The force constant (spring 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.