A Plane Is Traveling at Mach 0 $\degree$ C What Is the Plane's Speed? (Speed of Sound at a Temperature

question 41

Multiple Choice

A plane is traveling at Mach 0.980 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) 324 m/s
• C) 348 m/s
• D) Mach number is undefined at 0\(\degree\)C.