Answer:
The velocity of the sound waves across the plains of Sneedville is 500 m/s.
Explanation:
Distance travel by the screech of Sneetches = d = 250 m
Time taken to cove 250 meters = t = 0.50 s
Let the velocity of the sound waves be v, such that:
v = d/t
⇒ v = 250/0.5
⇒ v = 500 m/s