Recent content by amitpop

  1. A

    What is the force acted upon a 120 kg man who jumps off a 5 story building?

    So let's make the assumption that he lands on his feet and the surface area of each foot is half a square foot. Now is it more possible? thanks
  2. A

    What is the force acted upon a 120 kg man who jumps off a 5 story building?

    A concrete sidewalk.
  3. A

    What is the force acted upon a 120 kg man who jumps off a 5 story building?

    Homework Statement A 120 kg man jumps off of a 5 story building (~15 meters). How much force is acted upon his body once he reaches the bottom? Will he break any bones?Homework Equations X = (1/2)at^2 (since initial displacement and initial velocity are zero) so therefore: a = 2x/t^2 F= ma The...