Question 03/98
WEIGHING A FLY
An open bottle lies on a precise weighing scale.
A fly then enters the bottle and flutters around in futile attempt to escape.
How will the weight reading of the scale change?
A lazier fly, instead of using its wings to fly, uses a small helium filled balloon
in order to remain airborne. What happens if it happens to wander into the same bottle?
This question was created by D. J. Bergman
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