Answer to Question #193048 in Physics for albina

Question

if the kinetic energy of a 6.2 kg object is 36.5 J what is the objects velocity

Answer 1

The equation for kinetic energy is

$$E=\frac 12 mv^2.$$

The velocity, therefore, is

$$v=\sqrt{\frac{2E}{m}}=3.43\text{ m/s}.$$