A pebble is thrown into a calm lake, ripples are formed from the center and move outward. The water particles in the lake travel in a circular pattern that moves up and down on the surface of a lake, and the energy travels

2 Answer

  • it travels horizontally
  • The energy travels horizontally. The energy of a wave travels perpendicular to its direction. Think about what happens to a bobber lying on the surface when a wave goes by - it does not move along with the wave.