In an air force field test, a projectile is launched with an initial velocity of 600 mi / h at a target positioned 3,800 m above gun A and at a vertical distance of 620 m. If air resistance is ignored, determine the value of the firing angle in radians. Solve in the International System.

In an air force field test, a projectile is launched with an initial velocity of 600 mi / h at a target positioned 3,800 m above gun A and at a vertical distance of 620 m. If air resistance is ignored, determine the value of the firing angle in radians. Solve in the International System.

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