 453
 8
In picture
2. Relevant equations
f=ma
v^2/r
3. The attempt at a solution
ΣF_{y}=mg  Fn = m(v^2/r)
55*9.8  Fn = m(v^2/r)
v= 16π/4.5 since circumference = 2πr divide by the rotations time taken per second = 11.17m/s
Fn = 55(15.6) + 55*9.8
Fn = 319
What am i doing wrong here??
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