The only information you would need to decide if the can will float is the density of the can, which requires knowing the mass and volume. If the density of the can is less than one, the can will float. if it is greater than one, it will not float, as water's density is one.
When an object's atoms move faster, its thermal energy increases and the object becomes warmer.
Ranboo oobnar have a good day
That thing is used as a lever.
