Consider a ribbon tied to a rope that is flicked up and down. Consider how a waveform in the rope while the ribbon remains in its original place, moving up and down alone. Consider a stone thrown into a tranquil lake. As soon as the stone reaches the water’s surface, it causes concentric ripples. If there is a leaf on the surface, it will just bob up and down and then return to its original place once the ripple has passed. What is the path of a wave? What is the best way to describe the motion of a wave? In this session, you’ll learn more about the meaning of wave speed and how to calculate it.
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