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Comparing projectile trajectories


Timothy kicked a ball on a level surface at 45 and 30 with the same total speed as shown below.
Along the bottom is a horizontal black line. Above the line are two gray balls on either side of the line. Each ball has an arrow pointing upwards away from it and to the right. The angle from the black horizontal line to each ball is shown by a dashed arc. The left ball's arc is labeled 45 degrees and the right side is labeled 30 degrees.
Which launch angle results in the greater maximum height for the ball?
Choose 1 answer: