Velocity at a reservoir (Bernoulli's equation)

[user12323567]

TL;DR

Velocity at a reservoir

Hi there,

I am solving a problem which requires me to use Bernoulli's equation and I have across a hint that says that "velocity at the reservoir is negligible because the reservoir is large" and I do not understand what that means exactly. How is velocity at a reservoir negligible?

 

[user12323567]

Nevermind, i had forgotten about the continuity principle.