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Example two makes perfect sense if you know even the most elementary bits of physics.
An object in motion will remain in motion at the same speed and in the same straight-line direction unless acted upon by an unbalanced force.
This is Netwon’s First Law. Practically the Day One of Physics.
Coefficient of restitution has entered the conversation.
Not to take the bait but it doesn’t make sense that it would reach the top of the desk given the bounce height of the previous bounces.
I didn’t see anything indicating whether this was to scale