Answer:
39850.785 J
Explanation:
0.5 x m x v^2
0.5x13x78.3^2
KE =
[tex] \frac{1}{2} m {v}^{2} \\ [/tex]
[tex]ke = \frac{1}{2} m {v}^{2} \\ = \frac{1}{2} \times 13 \times {78 . 3}^{2} \\ ke = 39850.785j \\ [/tex]
