Question

how do I evaluate the definite integral in the comment?

Answer 1

\[\rho \int\limits_{0}^{h1}(U*h)dy\]

Answer 2

for that U or h or both must be the function of 'y'
are any of those function given ?

Answer 3

no, those functions aren't given

Answer 4

if u*h is costant then keep it outside the integral