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Solve the all parts of given question:

Question: A cannon is mounted on a tower above a wide, level field. The barrel of the cannon is 20 m above the ground below. A cannonball is fired horizontally with an initial speed of 800 m/s. Assuming air resistance can be neglected.

Part A: Approximately how long will the cannonball be in flight before it hits the ground?

Part B: How far from the base will the cannon ball land?

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