The theory experiments involving
motion projectile mail. The movement of objects in a parabolic curve. During Movement The object is moving horizontally with constant speed. (No acceleration in horizontal) and vertical. Objects moving in a straight line, constantly changing. With the acceleration due to gravity of Earth, for example, a ball that is thrown out horizontally and then fall to the ground directly (O) compared with the position of the ball, another ball falling straight vertical (•) which would. only the vertical movement only, as shown in Figure 1.
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