A cannon is brought to hit the roof of a tower. To stay as far as… A cannon is brought to hit the roof of a tower. To stay as far as possible, the cannon is angled at 45°. The cannon ball is observed to take 2.29 s to hit the tower at a height of H = 42.9 m. What is the initial speed of the cannon ball in m/s? (see Fig 1, outside the test) Science Physics PHYSICS 220
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