In which type of wave is energy transferred through the vibration of particles?

What happens in a global convection cell

Two carts, one of mass 2m and one of mass m, approach each other with the same speed, v. when the carts collide, they hook together. assume that positive momentum is to the right. which graph best represents the momentum of both carts over time, before and after the collision?

Scientific models are based on current knowledge, which can limit their effectiveness when new discoveries are made.