# Simple Harmonic Motion.

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I have to find the mass of an object. The problem is that my result is a negative one.

The problem is as follows:

A teacher demonstrates a harmonic motion with an object of mass m0, hung on a wire with constant k. A mass of 1,25g is added to the object, which results in a loss of 2.5% of the original frequency.

What is the (original) mass of this object?

I tried, but I got -0.025 Kg.

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The frequency of simple harmonic motion like a mass on a spring is determined by the mass m and the stiffness of the ...

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The solution is provided in an attachment with a diagram and a step-by-step completed equation.

$2.49