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Oksana_A [137]
3 years ago
8

Displacement time squared graph

Physics
1 answer:
Scilla [17]3 years ago
6 0
If distance versus time<span> is a straight line then Free-Fall is at a constant velocity and the slope of the </span>graph<span> measures that velocity. If distance versus </span>time-squared<span> is a straight line then Free-Fall is at a constant acceleration and the slope of the </span>graph<span>measures one-half of that acceleration.</span>
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Elephants can communicate over distances as far as 6 km by using very low-frequency sound waves. What is the wavelength of a 10
harkovskaia [24]

The characteristics of the sound waves allow to find the result for the wavelength is:

         λ = 34.29 m

The sound wave is a longitudinal traveling wave, where the speed of the wave depends on the air temperature.

         v = v_o \sqrt{1 + \frac{T}{273} }  

where v₀ is the speed of sound for T = 0ºc v₀ = 331 m / s.

indicate that the temperature is T = 20ºC, let's find the speed of the traveling wave.

        v = 331 \sqrt{1 + \frac{20}{273} }  

        v = 342.9 m / s

The speed of sound is related to wavelength and frequency.

       v = λ f

        λ = \frac{v}{f}

Let's calculate

        \lambda = \frac{342.29}{10}  

        λ  = 34.29 m

In conclusion using the characteristics of sound waves we can find the result for the wavelength is:

          λ = 34.29 m

Learn more here:  brainly.com/question/21995826

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Answer:anion

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I believe the answer is C. Acceleration. (:
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A heat engine does 300 J of work during one cycle. In this cycle 900 J of energy is wasted.
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