What is the relationship of the initial and final velocities

Reference no: EM13510283

Firing a cannonball at 20.0m/s so that the man on the top of the castle cannot catch it. The cannonball takes 2.02seconds going up and 4.08 seconds coming back down. What percentage of the time does the cannonball spend going up versus down? What is the relationship of the initial and final velocities of the cannonball?

Reference no: EM13510283

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