Four cannon balls, `(1),(2),(3), and (4)` are fired from level ground. Cannon ball (1) is fired at an angle of `60^@` above the horizontal and follows the path shown in (Fig. 5.9).
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Cannon balls (2) and (3) are fired at angle of `45^@` and (4) is fired at an angle of `30^@` above the horozontal. Which cannon ball has the largest initial speed ?