# Question #817a2

Kinetic energy ${E}_{\text{kin}} = \frac{1}{2} m {v}^{2}$
Where ${E}_{\text{kin}}$ in Joules, mass $m$ in kg, speed $v$ in m/s.
${E}_{\text{kin}} = \frac{1}{2} \cdot 1000 k g \cdot {\left(15 m / s\right)}^{2} = 112 , 500 J = 112 , 5 k J$