Posted by Sasha on Tuesday, November 3, 2009 at 8:39pm.
The centripetal acceleration is
a = V^2/R and the force is
F = m a = m V^2/R.
m = 25 kg
V = 1.25 m/s
R = 1.10 m
Do the numbers.
so i did a = 1.25^/1.1 = 1.42 m/s^2
then F =ma = 25(1.42) = 35.5N is that right?
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