Perhaps it is B0.
From a physics viewpoint, it seems to me the "initial position of the ball" would be inertia or "at rest".
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The initial position of the ball refers to where the ball is located at the beginning of its motion or trajectory. This could be at the starting point of its journey or at a specified location.
The initial position of something is usually defined as where it is in space at the somewhat arbitrarily determined instant of time when T = 0 seconds.
The displacement of a ball is the change in its position from the starting point to the final point. It is a vector quantity that points from the initial position to the final position of the ball, taking into account both distance and direction.
Some channels show you the distance between the ball and the goal at freekicks. They also show the speed of the shot. On average a freekick is between 80 and 100km\h.
The amount of displacement of the ball is the change in position from its initial position to its final position. It can be calculated by finding the straight-line distance between the starting point and the ending point of the ball's motion.
The height reached by a ball thrown upward depends on its initial speed: the higher the initial speed, the higher the maximum height reached. This is because a greater initial speed gives the ball more kinetic energy, allowing it to overcome gravity and reach a higher position before gravity brings it back down.
The displacement of the ball from when it was thrown to when it returns to the thrower is zero, as the ball has completed a full round trip back to its initial position. Displacement is a vector quantity that measures the change in position from the initial point to the final point.