In this item, we are to calculate for the speed or velocity of sound in air with a temperature of 50°C. The dependence of the velocity of sound in temperature is expressed in the following equation:
v = 331 m/s + (0.6 m/s°C)(T)
where v is the velocity and T is temperature.
Substituting the known values from the given,
v = 331 + (0.6)(50) = 361 m/s
Thus, the velocity of sound in air at 50°C is approximately 361 m/s.