A 342-Kg Stone Hanging Vertically from an Ideal Spring on the the Earth

Multiple Choice

A 3.42-kg stone hanging vertically from an ideal spring on the earth undergoes simple harmonic motion at a place where g = 9.80 m/s². If the force constant (spring constant) of the spring is $12 \mathrm {~N} / \mathrm { m }$ find the period of oscillation of this setup on a planet where g = 1.60 m/s².

A) 3.35 s
B) 2.51 s
C) 4.36 s
D) 5.70 s