Consider an aerodynamic profile facing an airflow with ReL$=3\mathrm{.}1$ x $10^6$

$($based on profile length$).$ Estimate the thickness of the boundary layer at the end of the

flow output for a profile length of $1\mathrm{.}5$ m$.$ In addition, calculate e$|$ coefficient of

net surface friction drag on the aerodynamic profile. The boundary layer has

a transition in a $5$x$10^5$ critical Reynolds