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zigzagoon2000

  • 2 years ago

The velocity of sound in air is given by the equation v = 20√273+t where v is the velocity in meters per second and t is the temperature in degrees Celsius. Find the velocity when the temperature is 117ºC. Round to the nearest meter/sec. http://i1255.photobucket.com/albums/hh639/zigzagoon20001/Question19.jpg A. 20 meters per second B. 330 meters per second C. 395 meters per second D. 216 meters per second A, B, C, or D? Please explain (:

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  1. ganeshie8
    • 2 years ago
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    \(v = 20\sqrt{273+ t}\) since, u want to find the velocity when t = 117, simply replace t with 117 \(v = 20\sqrt{273+ 117}\) = ?

  2. zigzagoon2000
    • 2 years ago
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    C. Thank you

  3. ganeshie8
    • 2 years ago
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    good work ! yw :)

  4. mayankdevnani
    • 2 years ago
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    any confusion? @zigzagoon2000

  5. mayankdevnani
    • 2 years ago
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    Plug the temperature of 117 into the equation for T and solve.

  6. mayankdevnani
    • 2 years ago
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    and then over @ganeshie8

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