Question

Which speed(s) is/are below the sound barrier in air?

A. 257 m/s
B. 1,030 m/s
C. 10 m/s

A and C

A, B, and C

C

A

99 points

Answer 1

Answer is: A and C, and that is due to all the sound barriers in the air that gets calculated.

Hope this helped!

Nate

Answer 2

A and C is your answer.

The sound barrier is 343 m/s.

1030 > 343 > 257 & 10, which means that 257 & 10 are your answer.

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