Impulse=force x time force=mass x acceleration due to gravity force= impulse =3000 x 2.5= ( sorry i don't have a calculator right now so you must calculate this yourself) I converted from kg to g because it is the standard. Hope this helps you.
Ventilation is very important because it helps remove the gas form people’s homes and schools and it redirects the random gas outside so it is less likely to hurt people
