Energy — practice question

A body with mass $5.0\,\text{kg}$ is travelling at steady speed. Its kinetic energy is $10\,\text{J}$. What is the object's speed?

• A$0.25\,\text{m s}^{-1}$
• B$0.5\,\text{m s}^{-1}$
• C$2.0\,\text{m s}^{-1}$
• D$4.0\,\text{m s}^{-1}$