The motion of a coin falling to the bottom of a tank filled with liquid can be remarkably similar to the fluttering and tumbling of a falling autumn leaf. Investigate how the motion of the coin depends on relevant parameters.
Autumn coin (youtube, Никита Черников, 06.07.2025), https://youtu.be/EW6tA00SZL8 Autumn coin - top (YouTube, Никита Черников, 06.07.2025), https://youtube.com/shorts/ItA7Z667tYc Coins Dropped Into Crystal Clear Water: A View From The Bottom As The Coins Sink. Ogemaw Springs, MI (youtube, Chosen Won, 01.02.2021), https://youtu.be/jx0acGK7NC8 Wikipedia: Angle of attack, https://en.wikipedia.org/wiki/Angle_of_attack Wikipedia: Froude number, https://en.wikipedia.org/wiki/Froude_number Wikipedia: Free fall, https://en.wikipedia.org/wiki/Free_fall Wikipedia: Drag, https://en.wikipedia.org/wiki/Drag_(physics)
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