- #1
Scholar1
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Homework Statement
A cord vibrates with a frequency of 3.0 Hz when a mass of 0.60kg is hung up from it. What is its frequency if only 0.38kg hangs from it?
Homework Equations
f= 1/2pi sqrt k/m
The Attempt at a Solution
3.0= 1/2pi sqrt ( k/0.6)
k=213.18 N/m
f= 1/2pi sqrt (213.18/ 0.38)
f= 37.2 Hz[/B]