= A wire has the shape of a helix with parametrization x = t, y : 2 cos(t), z = 2 sin(t) for 0 ≤ t ≤ 87, where distances are measured in cm. Find the mass and the center of mass of the wire if the density (in grams/cm) of the wire at any point is equal to twice the square of the distance from the origin to the point.

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