Answered

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How far away is a storm if you hear the sound of thunder 7.0 s after the lightning flash on a day when the air temperature is 31°C?

Sagot :

The speed of sound is given by:

[tex]v=331\sqrt[]{1+\frac{T}{273}}[/tex]

then in this case the speed is:

[tex]v=331\sqrt[]{1+\frac{31}{273}}=349.29[/tex]

The distance is given by:

[tex]d=vt[/tex]

plugging the values given we have:

[tex]\begin{gathered} d=(349.29)(7) \\ d=2445.03 \end{gathered}[/tex]

Therefore the storm is 2445.03 meters away

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