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#7 please I have no clue what is going on

7 Please I Have No Clue What Is Going On class=

Sagot :

you have to add the numbers then subtract

Answer: Approximately 352.5 meters per second

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Explanation:

The goal is to find the speed of sound when the temperature is 30 degrees Celsius. But first we need to do a temperature conversion from Celsius to Kelvin. We'll plug C = 30 into the equation

K(C) = C + 273.15

to find that,

K(30) = 30 + 273.15

K(30) = 303.15

This means 30 degrees Celsius is equivalent to 303.15 Kelvin.

We found so far that C = 30 leads to K = 303.15

We'll plug this value of K into the first function given to find that...

S(K) = sqrt(410*K)

S(303.15) = sqrt(410*303.15)

S(303.15) = 352.549996454403

S(303.15) = 352.5

The speed of sound is roughly 352.5 meters per second when the temperature is 30 degrees Celsius.

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Side notes:

  • We can abbreviate "meters per second" into "m/s".
  • 352.5 m/s is approximately equivalent to 788.52 mph
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