Re: Mass and air density
Whereas my father-in-law bobbed around like a cork in lifesaving class. He was supposed to be taking his turn playing the part of a drowning victim in full clothing and the teacher gave him hell for treading water when he was supposed to be demonstrating how clothing drags you down. Cue round of complaints and blazing argument because he wasn't treading water, he was finally pulled down to a normal floating position in water.
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