Question
Mon September 28, 2009 By:

please help

Expert Reply
Tue September 29, 2009

Force = 3.16 kg weight.

= 3.16 x 9.8 N

mv2/r = F

v2 = Fr/m = 3.16x9.8x1/0.049 = 632 

v = 25.14 m/s

f = v/(2πr) = 25.14/(2x3.14x1) = 4 Hz

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