Question

A boat at anchor is rocked by waves whose crests are 20 m apart and whose speed is 5 m/s. What is the frequency of these waves as they reach the boat?

Answer 1

0.25 is the frequency of the waves as they reach the boat.

Explanation:

Given,

Wavelength = 20m

Velocity of the wave = 5m/s

To find,

Frequency of the wave = ?

As we know,

velocity = Frequency * Wavelength

Frequency = Velocity/Wavelength

so,

Frequency of the wave = 5/20

= 0.25

Thus, 0.25 is the frequency of the waves as they reach the boat.

Learn more: calculate the frequency

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