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A) The skater would reach a height of approximately 0.8 meters on the other side of the ramp if he started at the 8 meter mark.
B) The skater's maximum height would not change as long as the initial conditions remain the same, such as the ramp angle, skater's speed, and launch point.
C) In order for the skater to reach a height on the other side of the ramp, we are ignoring air resistance, friction, and any other external forces that would affect the skater's trajectory. We are assuming ideal conditions where there are no such forces present.