Catalyst can speed up chemical reaction without being used up or involved in thr reaction..
Answer:
Newtons first law
Explanation:
focre=mass x acceleration
Kinetic energy is 1/2m*v^2
They already halved the mass for you and they already squared the velocity for you. I’m unsure why you’re even asking this question. It’s simple multiplication at this point.
(27.5kg)*(4m^2/s^2) = 110 Jules