We have: K.E. = mv²/2
Here, m = 1800 Kg
v = 30 m/s
Substitute their values in the formula,
K.E. =( 1800 × 30² )/ 2
K.E. = 1800 × 900 / 2
K.E. = 810000 / 2
K.E. = 4,05,000 J or 405 KJ
In short, your final answer would be 4.05 ×10⁵ Joules or 405 Kilo joules.
Hope this helps!