Solve the Equation for the Specified Variable $u = \sqrt { 2 g w } \text { for } w$

Multiple Choice

Solve the equation for the specified variable. $u = \sqrt { 2 g w } \text { for } w$

A) $w = \sqrt { 2 g u }$
B) $w = \frac { u } { \sqrt { 2 g } }$
C) $w = \frac { 2 g } { u ^ { 2 } }$
D) $w = \frac { u } { 2 g }$
E) $w = \frac { u ^ { 2 } } { 2 g }$