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2 years ago

A water wave has a speed of 23.0 meters/second. If the wave’s frequency is 0.0680 hertz, what is the wavelength?

2 answers:

6 0

Wavelength = $\frac{speed of wave}{frequency of the wave} = \frac{23}{0.068} = 338.235 meters.$ Hope this helps you!

KatRina [158]2 years ago

4 0

Answer:

λ = 338m

Explanation:

We can use the equation that describe the wavelength in function of the velocity and the frequency of the wave

λ = $\frac{v}{f}$

where v, is the velocity of the wave and f is the frequency of the wave

The problem gives you that $v=23.0\frac{m}{s}$ and $f=0.0680Hz$ , so you should replace this values in the equation for the wavelengt:

λ = $\frac{23.0\frac{m}{s}}{0.0680Hz}$

λ = 338m

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2 years ago

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According to the first law of thermodynamics:

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The work done on the system in this case is 0, so we can rewrite the equation as

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Explanation:

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3 years ago

It is winter in Puerto Rico. Compare the air temperatures beachgoers feel near the water

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3 years ago

A 17-car train standing on the siding is started in motion by the train’s engine. 9 cm slack is between each of the cars, which

BaLLatris [955]

Answer:

4 seconds

Explanation:

There are links between cars, they are in between

1-2, 2-3, 3-4, 4-5, 5-6, 6-7, 7-8, 8-9, 9-10, 10-11, 11-12, 12-13, 13-14, 14-15, 15-16, 16-17.

Here 1 represents the first car which is firmly attached to the engine. So, there are 16 links and each link has a slack of 9 m.

So, total slack

9×16 = 144 cm

Speed of train = 36 cm/s

$\text{Time taken by the pulse}=\frac{Length}{speed}\\\Rightarrow \text{Time taken by the pulse}=\frac{144}{36}\\\Rightarrow \text{Time taken by the pulse}=4\ s$