Answer:
The horizontally thrown coin and the dropped coin hit the ground at the same time when there is little or no air resistance. (This does not work for a falling feather.) Under careful observations, you find that this is always true — the horizontal motion of the coin does not affect its downward motion.
-sana po makatulong. take care always po! ヽ(o＾▽＾o)ノ
