mass and stuff
density x volume
what is mass
every action has an equal and opposite reaction
What is Newton's third law?
require a medium (like air or water) to travel
mechanical waves
Fourth color of the rainbow
What is green?
mass/volume
what is density
an object will not change its motion unless a force acts on it
what is Newtons first law
can travel through a vacuum
electromagnetic waves
Burj Khalifa
mass/density
what is volume
the force on an object is equal to its mass times its acceleration
what is newtons second law
earth quakes
seismic waves
oldest building in the world
Göbekli Tepe