9.2

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Where two waves of equal frequency overlap and are 180 degrees out of phase it is called

The study of sound wave technology

The general term used to describe what happens when two or more waves overlap in the same medium

A bridge can be destroyed if the wave vibrations match this.

The lowest points on a sine wave are called

Each crest of a wave moves a horizontal distance of 50 cm in 5 seconds. What is the wave speed?

This is the term applied to the increase in amplitude of vibration that occurs when an object is forced to vibrate at its natural frequency

The amplitude is the height of the crest to the this