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omgitsmonica
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Homework Statement
A 2.1 kg mass is attached to the end of a .5m string. The system is whirled in a horizontal circular path. If the maximum tension that the string can withstand is 80N, what is the maximum speed in m/s of the mass if the string is not to break?
Homework Equations
Ac=v2/r
The Attempt at a Solution
I have no idea how to go about solving this. I don't know what mass has to do with anything...