If one person throws a left hook at the same time as another person throws a right hook, they can both get knocked sideways through a window, right?
It works with superhero physics, I'm sure.
Boilerplate:
The Real Superheroines of Hive Valley is a webcomic about a reality television show following the lives of seven public domain superheroines that all live together in the same mansion in the elite community of Hive Valley.
Drawn in Clip Studio Paint Pro on a Surface Pro 4. Here's the timelapse video: