Answers: 1
is the angular frequency, measured in radians per second.
- Spring constant, measured in newtons per meter.
- Mass, measured in kilograms.
, 
and 
, the resulting expression is simplified and then initial mass is found after clearing it:
![\left[\left(\frac{f_{1}}{f_{2}}\right)^{2} - 1\right]\cdot m_{1} = 700\,g](/tpl/images/0694/2636/0bb1c.png)
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A mass m at the end of a spring vibrates with a frequency of 0.72 Hz . When an additional 700 g mass...
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