A fluid of density p = 13.4gm/cm³ flows with velocity vector field v = 0.95(-5x, 4y, 0)cm/s. Let A be the mass flow in the positive y direction, in grams per second, through the surface y = 1 − x², −1 ≤ x ≤ 1, 0 ≤ x ≤ 1, where x , y, and z are in centimeters. Then sin(A - 50) is -0.658 -0.146 0.961 0.433 0.677 -0.711 -0.847 0.841

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