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Re: [Phys-l] ball floating in elevator



poke a small hole in the paper cup to show a fine stream exiting sideways - THEN drop the cup.

On Apr 21, 2009, at Apr 21(Tue) 12:58 , LaMontagne, Bob wrote:

An interesting variation on you're a>g demonstration is to simply take a paper cup filled with water and let it drop to the floor. Students are surprised that no water leaves the cup until the cup hits the floor (or wastebasket).