Using the formula velocity = distance/time, how fast does sound travel in air at 20 degrees C given a distance of 500 m and 3.92
seconds.
A- 3.92
B- 127 m/s
C- 2,941 m/s
D- 746 m/s
1 answer:
Answer:
B : 127m/s
Explanation:
= 500 ÷ 3.92
= 127.5
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