T = period = time it takes for one complete vibration or oscillation, in seconds s ... cm and 20 waves pass the boat in 30 seconds. 1. The amplitude of a wave is the maximum displacement of ...

To the human mind this is unimaginable, yet two hundred years ago humanity had no knowledge of electrical oscillations at all. There were clear natural sources of oscillation of course ...

In the diagram above the rope moves up and down but the energy is transferred along the rope from left to right, at 90° to the oscillation ... animal might eat from. Amplitude – the distance ...