(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

What is the longest vertical straw you could possibly drink from?

2. Relevant equations

3. The attempt at a solution

The solution says to use p = ρgd, but I don't understand why or how you can use it.

I have a suspicion p = 101 325 Pa (atmospheric pressure)

and ρ = 1000 kg/m^3, the density of water

And it actually gives the right answer, which is 10.3 m. I just don't understand why this works or even why you use that formula. Thanks!

**Physics Forums | Science Articles, Homework Help, Discussion**

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Homework Help: What is the longest straw you could possibly drink from?

**Physics Forums | Science Articles, Homework Help, Discussion**