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Hello there, I am going to implement a numerical method to solve how much Mass of a fluid has gone out of an opened bottle. I am going to get h(t) with some sensors but I am not sure if this expression for Mass gone out "M" is correct.

The area of the bottle at the up part. A1

The density of the fluid is D

The position Y of the fluid at the top is given by h(t)

What do you think?

Thanks a lot

The area of the bottle at the up part. A1

The density of the fluid is D

The position Y of the fluid at the top is given by h(t)

What do you think?

Thanks a lot

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