Answer:
0.0049965 m
Explanation:
Tensile stress = Force / Area
Stress = 3 060 000
Force = 60 N
3060000 = 60 / Area
Area = 60 / 3060000
Area = 0.0000196078
Area = πd² /4
0.0000196078 * 4 = πd²
(0.0000196078 * 4) / π
0.0000249654 = d²
Diameter = 0.0049965 m