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Homework Statement
A wet towel, of mass 0.65 kg, travels in a horizontal circle of radius 26cm in the spin cycle of a washing machine. The frequency of rotation is 4.6Hz.
a)Name the force causing the centripetal acceleration. What object exerts that force?
b) What is the speed of the towel?
c) Determine the magnitude of the centripetal force on the towel.
Homework Equations
Fc=4pi^2mrf^2
Fc=(mv^2)/r
The Attempt at a Solution
I tried plugging in the values into the first equation and got 30.69 then i tried putting it into the second equation to solve for velocity but got 3.5 and the answer is 7.5. Someone please help me on this question.