Answer:

Pete's ball because Sally throw it in a horizontally

Answer:

Both balls, thrown horizontally by Sally and dropped by Pete from the top of the tall building, will hit the ground at the same time. The key factor to consider here is that the horizontal velocity does not affect the time it takes for an object to fall vertically due to gravity.

When an object is in free fall, its vertical motion is solely determined by the force of gravity. Neglecting factors like air resistance, an object will fall with a constant acceleration towards the ground. This acceleration is the same for both objects, regardless of their horizontal velocities.

Therefore, since both balls experience the same gravitational acceleration, they will both hit the ground at the same time, regardless of their horizontal velocities.

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