Water waves are transverse waves - Edexcel - GCSE Physics - Question 3 - 2016 - Paper 1

An example of a longitudinal wave is a sound wave, where the oscillations occur in the same direction as the wave travels.

To calculate the speed of the sea wave, we can use the formula:

$wave \, speed = \frac{distance}{time}$

In this case, the distance is 26400 m and the time is 2 minutes, which can be converted into seconds:

$2 \, minutes = 2 \times 60 = 120 \, seconds$

Now substituting the values into the formula:

$wave \, speed = \frac{26400 \, m}{120 \, s} = 220 \, m/s$

Thus, the speed of the wave is 220 m/s.