A plane is traveling at Mach 0.950 through air at a temperature of 0 $\degree$C.What is the plane's speed? (Speed of sound at 0 $\degree$C is 331 m/s. )
A)314 m/s
B)331 m/s
C)348 m/s
D)Mach number is undefined at 0 $\degree$C.

Question

Quizplus · Accepted Answer

Mach number is defined as the ratio of the speed of an object to the speed of sound in the medium through which it is traveling. At 0°C, the speed of sound in air is 331 m/s. Therefore, the plane's speed is 0.950 * 331 m/s = 314 m/s.

A Plane Is Traveling at Mach 0 °\degree° CWhat Is the Plane's Speed? (Speed of Sound at 0

A Plane Is Traveling at Mach 0 $\degree$ CWhat Is the Plane's Speed? (Speed of Sound at 0