A small branch is wedged under a 200 kg rock and rests on a smaller object. The small object that creates a pivot point is calle
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To solve this problem we will proceed to define the Period of a stick, then we will define the frequency, which is the inverse of the period. We will compare the change suffered by the new length and replace that value. The Time period of meter stick is
Here,
L = Length
g = Gravity
At the same time the frequency is
Therefore the frequency in Terms of the Period is
If bottom third were cut off then the new length is
Replacing this value at the new frequency we have that,
Finally,