Como calcular el desplazamiento de un objeto

Displacement can be calculated by measuring the final distance away from a point, and then subtracting the the initial distance

which piece of furniture will have the most inertia and give the furniture movers the most difficulty in moving?  

answer

a 75kg dining table

that tool is called an altimeter which measures your altitude which can be used to tell which atmosphere you are currently in, including the stratosphere.

hope this ! : )