Suppose, in your nightmare, you have been thrown to a cylinder-shaped hole which is as long as the diameter of the earth and goes through the center of the Earth. If this nightmare occurs, in reality, you will oscillate at a certain frequency about the center of the Earth.**What is the period of this oscillation?****Your answer should be in second. Don't insert the unit.**

Assume that,

$R_E=10^5m$

$g=10\frac{m}{s^2}$

$\pi=3.14$**Image source: Fall through the earth**

Simple Harmonic Motion Dynamics

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