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2. A cannon on a battleship at sea (some distance from its target on land) launched a projectile.
The cannon was set at an angle of 40 degrees with respect to the horizontal and launched the
projectile with an initial speed of 200 m/s. The target was at sea level (no elevation) and the
projectile struck it perfectly.
Neglecting air resistance and effects due to earth's curvature, how far from the cannon was the
target?

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