Algebra-1

Question Analysis
The problem requires solving the kinetic energy equation for velocity. This involves isolating the variable on one side of the equation.

Key Concept Explanation
The key concept here is the manipulation of literal equations to solve for a specific variable. The properties of equality, particularly the square root property, are used to isolate the variable.

Step-by-step Solution
1. Start with the given equation:
2. Multiply both sides by 2 to eliminate the fraction:
3. Divide both sides by