Part A Ocean waves of wavelength 30 m are moving directly toward a concrete barrier wall at 4.8 m/s. The waves reflect from the wall, and the incoming How far from the wall is she? and reflected waves overlap to make a lovely standing wave with an antinode at the wall. (Such Express your answer with the appropriate units. waves are a common occurrence in certain places.) A kayaker is bobbing up and down with the water at the first antinode out from the wall. HA ? 1= Value Units Submit Request