On the eleventh day we worked on a warm up which helped us see how we would have to do our measurements when we start constructing. The warm up today was to find the vertex of a flying ball going 4.2 sec.
The answer was 2.1sec. Because the vertex is the highest point the ball will reach, which is half, which is 2.1 sec.
The other problem was to fin the vertex of the ball when its traveling at 84ft.
The answer was 42ft because its half of 84ft.
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