Use equation 2 from the lab manual to predict the speed of sound (in m/s) in air at 28o c. never include units with a numerical answer.

               c=34801 m/s

Explanation:

sound wave in air means distance traveled by sound wave in given time period through a medium.

A one degree change in temperature brings 60 cm/s change in speed of sound.

FORMULA:  

                  c= 331.3 + (0.6*Τ)    m/s

 c = is speed of sound

 T= is the temperature

  constant values  are (331.3 and 0.6)

c= 331.3+(0.6*28)

c=34801 m/s

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current flows in a wire