Recent content by GuitarHero

But wouldn't I need to know the original size of the garbage can to calculate the work required to crush it?

Homework Statement A very silly person, intent on catching pigeons on the roof of an apartment building, trips and falls a distance of 44.6 m. She lands on a metal garbage can, crushing it to a depth of 0.422 m and walks away without having been seriously hurt. What acceleration did she...