In the following waveform, it takes 9 seconds for the wave to pass from point A

Question

In the following waveform, it takes 9 seconds for the wave to pass from point

A to point B.  

a)      What is the period of the wave?

b)      What is the frequency of the wave?

c)      If the distance from A to B is 5 meters, what is the wavelength?

d)  What is the wavespeed?

In the following waveform, it takes 9 seconds for the wave to pass from point A to point B. What is the period of the wave? What is the frequency of the wave? If the distance from A to B is 5 meters, what is the wavelength? What is the wavespeed?

Explanation / Answer

Part A)
Period is seconds per wave

You have three full waves in the picture

9/3 = 3 sec

Part B)
Frequency = 1/Period

1/3 = .333 Hz

Part C)
wavelength = 5/3 = 1.67 m

Part D)
v = f(wavelength)

v = (.333)(1.67)

v = .556 m/s

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