Question

Will give u a crown

Answer 1

Answer:

$E=\frac{mv^2}{2}$

Step-by-step explanation:

$m=\frac{2E}{v^{2} }$

Multiply $v^2$ to both sides:

$m*v^2=\frac{2E}{v^{2} } *v^2$

$mv^2=2E$

Switch sides:

$2E=mv^2$

Divide both sides by 2:

$E=\frac{mv^2}{2}$