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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 (:
 one year ago
 one year 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 (:
 one year ago
 one year ago

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ganeshie8Best ResponseYou've already chosen the best response.2
\(v = 20\sqrt{273+ t}\) since, u want to find the velocity when t = 117, simply replace t with 117 \(v = 20\sqrt{273+ 117}\) = ?
 one year ago

mayankdevnaniBest ResponseYou've already chosen the best response.0
any confusion? @zigzagoon2000
 one year ago

mayankdevnaniBest ResponseYou've already chosen the best response.0
Plug the temperature of 117 into the equation for T and solve.
 one year ago

mayankdevnaniBest ResponseYou've already chosen the best response.0
and then over @ganeshie8
 one year ago
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