# How could you determine your mass using water, a bathtub, something to measure water with, and Archimedes' principle?I would know how practical an answer can be, since it is very hard to get...

How could you determine your mass using water, a bathtub, something to measure water with, and Archimedes' principle?

I would know how practical an answer can be, since it is very hard to get yourself float in a bathtub.

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Expert Answers

damascus43 | Certified Educator

Archimedes' Principle says that the weight of the object submerged is equal to the weight of the fluid it displaces. You need to measure the change in the level of the bathtub and figure out the volume of water displaced. Volume=length x width x height, so you also need to measure the bathtub as well to see the change in three dimensions. Water weighs 62.416 pounds per cubic foot or 0.036127 pounds per cubic inch.