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bearhunter [10]

3 years ago

6

two monkeys were swinging on vines together. One monkey got stuck hanging from a branch unable to move. the other monkey, who wa

s very smart,knew that to move he needed to have a net force in the direction he wanted to go

1 answer:

antoniya [11.8K]3 years ago

3 0

Answer:

Hi, what is the question here?

Explanation:

Happy to help if I'm able to

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How long does it take for 4 coulombs of charge to pass through a cross

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Explanation:

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3 years ago

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A sound wave has a frequency of 500 Hz and a wavelength of 1.8 m. What is the wave speed of the sound wave? Question 1 options:

antoniya [11.8K]

Answer:

The wave speed of the sound wave is 900 $\frac{m}{s}$ .

Explanation:

Wavelength is the minimum distance between two successive points on the wave that are in the same state of vibration. It is expressed in units of length (m).

Frequency is the number of vibrations that occur in a unit of time. Its unit is s⁻¹ or hertz (Hz).

The propagation velocity is the speed with which the wave propagates in the medium, that is, it is the magnitude that measures the speed at which the wave disturbance propagates along its displacement. Relate the wavelength (λ) and the frequency (f) inversely proportional using the following equation: v = f * λ.

In this case:

f= 500 Hz
λ= 1.8 m

Replacing:

v= 500 Hz* 1.8 m

v= 900 $\frac{m}{s}$

<u><em>The wave speed of the sound wave is 900 </em></u> $\frac{m}{s}$ <u><em>.</em></u>

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