152880=.5*650*v^2

Solution for 152880=.5*650*v^2 equation:

Simplifying
152880 = 0.5 * 650v2

Multiply 0.5 * 650
152880 = 325v2

Solving
152880 = 325v2

Solving for variable 'v'.

Move all terms containing v to the left, all other terms to the right.

Add '-325v2' to each side of the equation.
152880 + -325v2 = 325v2 + -325v2

Combine like terms: 325v2 + -325v2 = 0
152880 + -325v2 = 0

Add '-152880' to each side of the equation.
152880 + -152880 + -325v2 = 0 + -152880

Combine like terms: 152880 + -152880 = 0
0 + -325v2 = 0 + -152880
-325v2 = 0 + -152880

Combine like terms: 0 + -152880 = -152880
-325v2 = -152880

Divide each side by '-325'.
v2 = 470.4

Simplifying
v2 = 470.4

Take the square root of each side:
v = {-21.688706739, 21.688706739}