Who discovered the “Uncertainty Principle”, which states that an object’s position and momentum cannot be both known precisely? *

as for symbolic actions, the narrator's tearing down the wallpaper in an attempt to find the "woman" in the wallpaper represents her struggle to retain or regain her sanity.   the wallpaper has been part of her confinement and by her tearing it down, she is freeing herself from that confinement.

answer: tomorrow

explanation:

b b b b b b   b b b   b b b b b