Perfectly inelastic demand occurs rarely in the real world. Close examples might include rare medicines, or fresh water in a time of drought: regardless of any price changes, these products will ...

So, by these lights, when I wrecked my van in Pittsburgh, I experienced an inelastic collision. Real-world collisions are often between these two extremes. In my accident a few years ago here in ...

we differentiate between elastic and inelastic collisions. The conservation of momentum and the conservation of energy are explored as we do examples involving these two types of collisions.