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

question 55

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 $$- 0.90 \mathrm {~m}$$ a velocity of $- 0.80 \mathrm {~m} / \mathrm { s } \text {, }$ and an acceleration of $+ 2.9 \mathrm {~m} / \mathrm { s } ^ { 2 }$ The 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.

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