PH-2279

Wave speed

Physics · Secondary 4 · Hard · Wave speed

A transverse wave travels along a rope. The distance between two adjacent crests is 0.40 m and 6 crests pass a fixed point every 3.0 s. Using the wave equation, what is the speed of the wave?

$0.40\,\text{m/s}$
$0.80\,\text{m/s}$
$1.2\,\text{m/s}$
$4.0\,\text{m/s}$

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