Answer:
Explanation:
The formula for Kinetic Energy is
[tex]KE=\frac{1}{2}mv^2[/tex]. Filling in:
[tex]KE=\frac{1}{2}(1200)(20)^2[/tex] It looks like we only need 1 significant digit here but I'll give you 2 and you can round how you want.
KE = 2.4 × 10⁵ J